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151 Cards in this Set
- Front
- Back
- 3rd side (hint)
The amount of blood ejected from the left ventricle each minute is the_______.
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cardiac output
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CO= stroke volume x heart rate normal range= 4-6 L/min
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______ is a more precise measure and takes into consideration tissue perfusion and the clients body surface area.
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cardiac index
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normal range 2.5-4.0 L/min/m2 CI= cardiac output / BSA
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_____ is the amount of blood ejected from the left ventricle with each contraction.
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stroke volume
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_____ is the end-diastolic volume
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preload
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________ law states; The more stretch on the ventricular muscle, the greater the contraction and the greater the stroke volume.
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Starlings
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____ is the resistance to left ventricular ejection.
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Afterload
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An ____ reflects the electrical activity of the conduction system.
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electrocardiogram
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*does not reflect muscular work of the heart
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The normal sequence of the ECG is called _____.
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normal sinus rhythm
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_____ is the process of moving gases into and out of the lungs.
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Ventilation
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____ is an active process, stimulated by chemical receptors in the aorta.
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Inspiration
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____ is a passive process that depends on the elastic recoil properties of the lungs, requiring little or no muscle work.
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Expiration
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____ is the process for exchange of the respiratory gases in the alveoli and the capillaries of the body tissues.
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Diffusion
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Conditions such as shock and severe dehydration cause extracellular fluid loss and reduced circulating blood volume, or _______.
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hypovolemia
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Electrical impulses that do not originate from the SA node cause condition disturbances called _____.
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dysrhythmias
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Name 2 heart rhythms that are life threatening and require immediate intervention.
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ventricular tachycardia; ventricular fibrillation
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_____ results when the supply of blood to the myocardium from the coronary arteries is insufficient to meet myocardial oxygen demands.
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Myocardial ischemia
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____ is a transient imbalance between myocardial oxygen supply and demand.
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Angina pectoris
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_____ occurs when alveolar ventilation is inadequate to meet the body's oxygen demand or to eliminate sufficient carbon dioxide.
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Hypoventilation
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_____ is inadequate tissue oxygenation at the cellular level.
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Hypoxia
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____ is a clinical sign of hypoxia. It is a sensation of difficult or uncomfortable breathing.
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Dyspnea
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____ is an abnormal condition in which the client uses multiple pillows when lying down or must sit with arms elevated and leaning forward to breath.
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Orthopnea
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Bloody sputum
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hemoptysis
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High pitched musical sound caused by high-velocity movement of air through a narrowed airway.
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weezing
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_____ with a 50% increase between two samples 3-6 hours apart, peaking 12 hours after chest pain, or a single elevation two fold is diagnostic for an acute myocardial infarction
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creatine kinase
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Normal Myoglobin Level
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<90 mcg/L
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Normal Serum Electrolyte level (checking for potassium K+)
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3.5-5 mmol/L
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Normal Cholesterol level
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Fasting: 200 mg/dl Low-density lipoproteins (LDL's) bad cholesterol- 60-180 mg/dL High-density lipoproteins (good cholesterol) Male: >45 mg/dL Female: >55mg/dL
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Normal Triglycerides
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Male: 40-160 mg/dL Female: 35-135 mg/dL
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A component of pulmonary hygiene, consists of drainage, positioning, and turning; accompanied by chest percussion and vibration
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postural drainage
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_____ encourages voluntary deep breathing.
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Incentive spirometry
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A _____ is a catheter inserted through the thorax to remove air and fluids from the pleural space, to prevent air or fluid from reentering the pleural space, or to reestablish normal intrapleural and intrapulmonic pressures.
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chest tube
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A _____ is an accumulation of blood and fluid in the pleural cavity between the parietal and visceral pleurae, usually as a result of trama.
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hemothorax
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A _____ is a collection of air in the pleural space.
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pneumothorax
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_____ involves deep inspiration and prolonged expiration through pursed lips to prevent alveolar collapse.
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Pursed lip breathing
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_____ is more difficult and requires the client to relax intercostal and accessory respiratory muscles while taking deep inspirations.
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Diaphragmatic breathing
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Deoxygenated blood is delivered to the ____ side of the heart, and oxygenated blood is delivered from the lungs to the ____ side of the heart and tissues.
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right;left
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The ____ ventricle of the heart pumps blood through the pulmonary circulation.
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right
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The ____ ventricle of the heart pumps blood through the systemic circulation.
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left
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There are ___ cardiac chambers; ___ atria, and ____ ventricles.
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4;2;2
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The blood chambers fill with blood during ____ and empty during ____.
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diastole; systole
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An enlarged heart is called _____.
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cardiomyopathy
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results in decreased pumping action and a decrease in stroke volume (blood ejected)
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Hemorrhage and dehydration cause a ____ in circulating blood volume and stroke volume.
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decrease
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___ represents the first heart sound when the blood fills a relaxed ventricle after leaving the atria.
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S1
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Closure of the aortic and pulmonic valves represents, ___ or the second heart sound.
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S2
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_____ supplies the myocardium with oxygen and nutrients and removes wastes.
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Coronary artery circulation
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The arteries and veins of the _____ delivers nutrients and oxygen to and remove waste from the tissues.
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systemic circulation
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A _____ is a catheter inserted through the thorax to remove air and fluids from the pleural space, to prevent air or fluid from reentering the pleural space, or to reestablish normal intrapleural and intrapulmonic pressures.
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chest tube
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A _____ is an accumulation of blood and fluid in the pleural cavity between the parietal and visceral pleurae, usually as a result of trama.
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hemothorax
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A _____ is a collection of air in the pleural space.
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pneumothorax
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_____ involves deep inspiration and prolonged expiration through pursed lips to prevent alveolar collapse.
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Pursed lip breathing
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_____ is more difficult and requires the client to relax intercostal and accessory respiratory muscles while taking deep inspirations.
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Diaphragmatic breathing
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The upper respiratory system includes -
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Nasal cavity, mouth, pharynx, larynx
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The lower respiratory system includes -
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Trachea, Bronchus, Bronchioles, Alveoli
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Organ of voice production, houses the vocal cords
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Larynx
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Protective structures of the trachea
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Lined with mucus secreting cells and cilia - carried foreign particles away from lungs
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Trachea divides into _____ at site of carina. This airway conduction component is anatomical dead space, no gas exchange occurs here
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Bronchi
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The ______ main bronchi stem is shorter and wider posing an increased risk of foreign body obstruction
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right
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The last airways of the conducting system
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Terminal bronchioles
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Thin walled with extensive capillary system where oxygen and carbon dioxide are exchanged
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alveoli
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Protective functions of the thorax
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provides some protection to heart, lungs, and great vessels from physical trauma
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Primary muscle of breathing
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diaphragm
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Diaphagm moves _____ with inspiration
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down (it contracts)
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Layer of serous membrane closest to lungs
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visceral pleura
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Layer of serous membrane closest to chest wall
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parietal pleural membrane
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3 levels for respiratory control
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Central nervous system (rhythm and depth)
Reflex control (cough, sneeze) Peripheral control (depth/ventilation) |
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Areas of the CNS that controls respiration
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Medulla (involuntary control)
Cerebral Cortex (voluntary control) |
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This type of control dictates depth and ventilation - Receptors located in the brain, carotid arteries, and aorta sense changes in partial pressures of O2 (PaO2) and carbon dioxide (PaCO2) and concentration of H ions
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Peripheral control
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The drive to breathe is derived from ______ in the blood
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PCO2
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Movement of gases in and out of the lungs
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ventilation
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Ventilation requires -
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Coordination of muscular activity
Elastic properties of thorax and lungs Innervation / Intact nervous system |
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Is the result of actions of the intercostal muscles and diapragm to create negative pressure in the lungs
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inspiration
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Ventilation is affected by these 5 factors
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Compliance (the relationship between volume and pressure of the lungs)
Surface tension - at the level of the alveoli Muscular effort Airway resistance Work of breathing - effort required to expand and contract the lungs |
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Air flow in and out of the lungs is ___________. Blood flow to tissues, particularly alveoli is __________. The ability to move O2 and CO2 in and out of the blood, particularly at the alveoli (uptake of O2 and release of CO2) is ___________.
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Ventilation, Perfusion, Diffusion
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Oxygen carrying capacity relies on 3 factors -
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Amount of dissolved O2 in plasma
Amount of hemoglobin tendency of hemoglobin to bind with O2 |
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Anemia, decreased inspired oxygen, hypovolemia, increased oxygen demand
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physiological factors that can negatively affect oxygenation
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Obesity, pregnancy, scoliosis, CNS impairment
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physiological factors that can negatively affect ventilation and therefore oxygenation
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Rhythm disturbances, congestive heart failure, myocardial infarction
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cardiac conditions that can affect oxygenation
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State of ventilation in excess of that required to eliminate CO2 (common with fever, anxiety)
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hyperventilation
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Alveolar ventilation is inadequate to meet the body's oxygen demand
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Hypoventilation
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Inadequate concentration of oxygen in the blood (PaO2)
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Hypoxemia
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Inadequate tissue oxygenation to meet the needs of the cells (common with anemia, shock, high altitudes) (PO2)
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Hypoxia
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Anxious, irritable, altered LOC
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symptoms of poor oxygenation
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Respiration rate of 12-20 breaths per minute (adult)
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eupnea
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Respiration rate greater than 24 breaths per minute (adult)
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tachypnea
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Respiration rate less than 10 breaths per minute (adult)
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bradypnea
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___________ breathing is characterized as rapid, deep breathing. A deep and labored breathing pattern often associated with severe metabolic acidosis, particularly diabetic ketoacidosis (DKA) but also renal failure.
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kussmaul
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____ is an abnormal pattern of breathing characterized by progressively deeper and sometimes faster breathing, followed by a gradual decrease that results in a temporary stop in breathing called an apnea. Common when patients are close to death. It may also be caused by damage to respiratory centers or by physiological abnormalities in chronic heart failure, also seen in newborns with immature respiratory systems and in visitors new to high altitudes.
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chene-stokes
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When assesing oxygenation, palpate -
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PMI, skin temp, capillary refill, peripheral edema, pulses, tenderness
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a high pitched wheezing sound resulting from turbulent air flow in the upper airway. Stridor is a physical sign which is produced by narrow or obstructed airway path. It can be inspiratory, expiratory or biphasic . Inspiratory stridor is common
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stridor
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refers to sounds heard apart from the normal sounds of inspiration and expiration.
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adventitious breath sounds
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the coarse low-pitched rattling sound somewhat like snoring, usually caused by secretion in bronchial airways.
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rhonchi
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a medical device used to help patients improve the functioning of their lungs. The patient breathes in from the device as slowly and as deeply as possible. An indicator provides a gauge of how well the patient's lung or lungs are functioning, by indicating sustained inhalation vacuum.
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Incentive spirometer
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A comfortable method of O2 delivery that doesn't interfere with talking or eating and comes in sizes appropriate for all age groups. Can deliver flow rates of 2-6 L/min to adults at 32% to 60% concentration. Expect about 4% increase for each L/min
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nasal cannula
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Somewhat more cumbersome method of O2 delivery acceptable for short-term use. 30% to 60% concentration, 6-8L/min
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simple face mask
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can provide oxygen supplementation between 65% and 75% at 6-10 L/min. Flow rate must be high enough to prevent bag collapse.
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partial re-breathing mask
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Oxygen delivery method that can be used over the full range of FiO2. 85%-95% concentration, rate of 8-12 L/min, unidirectional valve, bag must inflate properly.
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nonbreathing mask
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Oxygen delivery method in which flow varies but concentration must be precise. Ordered by concentration rather than flow rate. Delivers O2 at 24% - 50% concentration.
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Venturi mask
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Oxygen delivery method recommended for use in unstable patients who need stable, low-levels of oxygen
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air entrainment mask
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Examples include oxyhoods, isolettes and tents. Restricted to use in neonates, infants and small children
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enclosure devices
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Which patients receiving oxygen require extra attention to temperature, humidity, and infection control?
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Patients who are intubated or have a tracheostomy because you will bypass the upper airway that typically warms, filters and humidifies air.
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not a single disease but an umbrella term used to describe chronic lung diseases that can limit your airflow. Most common conditions are chronic bronchitis and emphysema.
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COPD
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Easily fatigued, frequent respiratory infections, use of accessory muscles to breathe, orthopneic, Cor pulmonale (rt sided heart failure) late in desease, thin appearance, dyspnea, pursed-lip breathing, chronic non-productive cough, barrel chest, wheezing, prolonged expiratory time, digital clubbing, history of smoking
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common symptoms of COPD
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CO2 retention produces pink skin tones (no cyanosis), pursed-lip breathing, increased mucus, ineffective cough, bronchi collapse on expiration, orthopnea, barrel chest, short of breath, exertional dyspnea, easily fatigued, wheezing, speaks in short jerky sentences, anxious, frequent URIs, prolonged expiratory time, use of accessory muscles, digital clubbing, thin, leads to rt sided heart failure.
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common symptoms of Pulmonary Emphysema (aka "Pink Puffer")
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Dusky or cyanotic skin tone, edematous, recurrent cough and sputum production, hypoxia, hypercapnia (CO2 retention), acidosis, increased respiration rate, exertional dyspnea, history of heavy smoking, cardiac enlargement, use of accessory muscles to breath, cor pulmonale
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common symptoms of Chronic Bronchitis (aka "Blue Bloater")
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Conditions in which the lungs themselves cannot expand. Examples include loss of compliance, spinal conditions such as kyphosis or scoliosis.
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Restrictive breathing disorders
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diseases of the lung where the airways (i.e. bronchi, bronchioles, alveoli) become reduced in volume or have free flow of gas impeded, making it more difficult to move air in and out of the lung. (i.e. asthma)
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Obstructive breathing disorders
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"itis" suffix indicates
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inflammation
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Immune responses that may create problems of the upper airway -
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Edema, smooth muscle constriction, increased mucus production
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Common medical diagnoses associated with problems of the upper airways
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Sinusitis, pharynitis, nasal polyps, epistaxis, laryngitis, allergic rhinitis, common cold
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Common nursing goals associated with problems of the upper airways
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maintain patent airway, increase effectiveness of airway clearance, relieve pain, prevent infection, prevent spread of infection
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Common nursing interventions associated with problems of the upper airways.
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rest, 2-3 liters of fluid daily (unless contraindicated), humidified air, saline nasal spray, elevate head of bed, soothe throat
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antihistamines, nasal and systemic decongestants, nasal glucocorticoids
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decrease inflammation in upper airways
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Dyspnea, fatigue, cough, sputum, hemoptysis, wheezing, chest pain/pressure/tightening, orthopnea
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Common complaints associated with problems of the lower respiratory tract
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Placing thumbs on back at 10th intercostal space just to left and right of spine and observing their lateral movement during patient's inspiration measures _______
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thoracic excursion
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Trachea offset to one side may indicate
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collapsed lung - atelectasis
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a vibration felt on the patient's chest during low frequency vocalization. Vibration is pathologically decreased or absent over areas of pleural effusion or pneumothorax (where there is liquid or air instead of usual lung).
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tactile fremitus
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Normal percussion tone heard over lungs
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Resonance
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Percussion tone heard over lungs that indicates increased air
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Hyperesonance
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Percussion tone heard over lungs that indicates tissue or fluid
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Dull sound
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Increased fluid in the pleural space
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Pleural effusion
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Lab test that provides information about oxygenation, acid-base balance, and ventilation.
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ABGs (arterial blood gas)
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What nursing actions would accompany an ABG test?
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Prepare patient - no activity 20 min before, no food, explain procedure
Allen's test (determines collateral blood flow) Apply direct pressure to puncture site at least 5 min |
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Lab test that would provide information about oxygen-carrying capacity
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RBC
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Testing for collateral circulation to the hand by evaluating the patency of the radial and ulnar arteries.
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Allen's test
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Lab test that determines culture and sensitivity of organisms
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microbiology
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Lab test that determines cell type
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cytology
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Provides a cross-sectional scan of a body area - not as detailed as an MRI but much less costly
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CT scan (computed tomography)
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Internal scope of lower airways
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endoscopy
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Nursing care prior to endoscopy
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NPO, sedation, local anesthetic, supplemental O2
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Insertion of a needle into pleural space to remove fluid, instill medications, or biopsy
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Thoracentesis
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of unknown origin
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idiopathic
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Intrapulmonary disease, interstitial lung disease, pneumonia, atelactasis, neuromuscular/neurological conditions, scoliosis, kyphosis, pleural effusion
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restrictive lung disorders
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Increased respiratory rate, shallow respiratory depth, dyspnea, cough with sputum production, respiratory alkalosis
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common symptoms of restrictive lung disorders
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Prolonged expiratory time, increased work of breathing, increased anterioposterior thorax diameter (barrel chest), hyperresonance on percussion
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Clinical manifestations of obstructive breathing disorders
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A result of increased alveolar membrane thickness, decreased alveolar surface area, or decrease in pressure gradient between lungs and atmousphere
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Obstructive breathing disorders
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Altered LOC, dyspnea, increased respiratory rate, possible chest pain, fatigue
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common clinical manifestations of cardiovascular problems
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Establishes and maintains patent airway, prevents aspiration by sealing off digestive tract, permits removal of tracheobronchial secretions in patients who cannot cough, vehicle to apply positive pressure ventilation, short-term (up to 14 days).
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endotracheal tube
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Establishes and maintains patent airway for patients requiring airway maintenance for longer than 10-14 days. May also be used if endotracheal tube cannot be inserted.
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Tracheostomy
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type of medication that dilates bronchioles
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Bronchodilator
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Leukotrine modifiers
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Help to maintain patent airway by reducing symptoms of inflammation
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glucocorticoids act as an
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antiinflammatory
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Methods to improve airway clearance
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Humidification both to air and through fluid intake
Strengthen respiratory muscles Chest physiotherapy (postural drainage, percussion) coughing minimize bronchospasm "huff" to expectorate thick secretions inhale maximally to reinflate alveoli |
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To help relieve some breathing issues associated with right upper lobe, position patient
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high fowler
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To help relieve some breathing issues associated with left upper lobe, position patient
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sitting hunched slightly forward with pillows or folded blanket for support
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To help relieve some breathing issues associated with right middle lobe, position patient
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left side with food of bed elevated about 12 inches, chest rotated toward supine position
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To help relieve some breathing issues associated with right lower lobe, position patient
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left lateral recombent position with food of bed elevated 20 inches
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medications to liquefy and loosen secretions
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mucolytics
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medications to loosen bronchial secretions so they can be eliminated with cough
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expectorants
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medications to suppress cough reflex
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antitussives
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Tilt head ____ to ____ degrees to maintain airway patency and lean forward about ____ degrees
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tilt head 16 to 18 degrees, lean 30 degrees
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To improve efficiency of breathing pattern, encourage longer ________ ; about double the length of __________
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expiration, about 2X inspiration (example 5 sec in, 10 out)
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