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104 Cards in this Set
- Front
- Back
What is a Z-score in bone density
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Compares you with another person of your age
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What is a T-score in bone density?
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Compares you with a healthy young adult
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Osteoporosis
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Bones that are less dense
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Osteopenia
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Low bone mass
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Height indication for Osteoporosis
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Height loss of 1 in. or more
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Shock
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sudden drop in blood flow- failure of the circulatory system - compromises the kidney
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Grand Mal
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Violent tremors
Protect patient from injury Post-ictal period, patient may be unaware of seizure and will be tired |
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Petit Mal (absence seizure)
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momentary loss of consciousness
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Syncope
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Fainting, or syncope, is a very mild form of shock that sometimes occurs when fright, pain, or unpleasant events are beyond the coping ability of the patient's nervous system.
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Anaphylactic
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Allergic shock, also called anaphylaxis or anaphylactic shock, occurs when individuals are exposed to foreign substances to which they are sensitized
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Intradermal
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- injections are parenteral injections between the layers of the skin.
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Subcutaneous
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-- injections instill medications into the fatty tissue layer beneath the skin
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Intramuscular
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-- (into the muscle) or IM
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Intrathecal
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-- contrast medium is to be injected through a spinal needle directly into the subarachnoid space.
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Order of Exams
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IVU
BE - Prep and enemas until clear, continue next day ESOPH. UGI SBS |
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Name some negative contrast
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Air, CO2 crystals and oxygen
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Negative contrast is radiolucent, does it increase or decrease density?
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Increases density
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How does negative contrast affect a radiograph?
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It is radiopaque and decreases radiographic density
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Which has high and which has a low atomic number with contrast?
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Positive are high atomic numbers and negative are low atomic numbers, (Z number)
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What are some examples of positive contrast?
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Barium sulfate and iodinated contrast
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Inspissation
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Process of thickening by dehydration
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What is BASO4?
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Barium Sulfate
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What does Iodine Concentration determine?
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The degree of attenuation
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Epistaxis
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Nose bleed
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How does higher and lower concentration of iodine affect the radiograph?
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Higher is more viscose and toxic, and provides a greater contrast (more white)
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“Number of particles in solution per kg of water”
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Osmolarity (higher has bigger risk)
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List some Fun Viscosity facts
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“Measure of the resistance of fluid to flow”
You can warm iodine contrast to make it thinner Consideration for …flow rate, injection time, and needle size |
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Ionic Media vs. Non-Ionic Media?
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non-ionic contrasts have low osmolarity, with low iodine concentration and when injected are less toxic and are less likely to result in adverse reactions
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Toxicity of a contrast medium is related to:
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Iodine concentration
Osmolarity Ionization characteristics Rate of injection Total amount administered |
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How is Water-soluble Contrast administered?
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oral, vaginal, intravenous, and arterial routes
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How are Gastrografin and Hypaque Sodium administered?
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Gastrografin and Hypaque Sodium Oral
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Enteral
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“into the alimentary canal”
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NG tube
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Nasogastric tube - Tube in the nose
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Gastrostomy tube
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Tube that goes through skin into stomach =.
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TPN
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Total Parenteral Nutrition -(TPN) is a way of supplying all the nutritional needs of the body by bypassing the digestive system and dripping nutrient solution directly into a vein.
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PEG tube
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Percutaneous endoscopic gastrostomy
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Intrathecally
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“into the fluid-filled space between the thin layers of tissue that cover the brain and spinal cord; i.e. within the spinal canal”
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Myelography
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intrathecal injection via lumbar puncture
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Contrast-- Intravenous / intra-arterially / direct injection into organs
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- when injected, they circulate in the blood and are excreted by the kidneys.
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How is contrast given for Excretory urography (IVU)?
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Intravenously for urography studies
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How is contrast given for arteriography studies ?
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Intra-arterially
Direct injection into the structures to be visualized: |
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How is contrast given for Arthrography?
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Into the joint capsule
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How is contrast given for HSG?
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Into the cervix via cervical cannula?
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How is contrast given for Cystography?
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Via foley catheter
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How is contrast given for Retrograde Urography?
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Catheter via cystoscope into ureter
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How is contrast given for Discography?
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Directly into intervertebral disk space in spine)
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Saline/Heparin lock
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A catheter with short tubing. Used for easy vessel access
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BUN
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blood urea nitrogen: 8 – 25
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Check creatinine for what? Should be?
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0.6 – 1.2 for an IUV
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What are the three kinds of positive contrast?
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Water based barium sulfate and oil based.
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What is a Pneumothorax and what tube is used to treat it?
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air in the pleural cavity..a collapsed lung, a chest tube
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What is an ET tube?
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Endotracheal tube- inserted in the mouth and to the bifurcation of the trachea
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What is a Swan-Ganz Catheter?
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Balloon tipped catheter used to measure heart pressure, and cardiac output
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What are Central Venous Catheters?
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Used for: repeated venous access, transfusion, chemotherapy, antibiotic therapy, TPN, blood draws (Inserted in the upper chest or neck)
Chest x-ray taken for placement and to check for Pneumothorax. Types (Hickman, Triple lumen, Groshong, CVP (central venous pressure)) |
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PICC line
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Peripherally inserted central catheter ..long, slender, small, flexible tube that is inserted into a peripheral vein, typically in the upper arm, and advanced until the catheter tip terminates in a large vein in the chest near the heart to obtain intravenous access
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Port-a-cath
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Self-sealing port placed under the skin
Patient is injected through the skin into the port TIVAS (totally implantable venous access system) |
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NG Tube
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Nasogastric tube- inserted in nose to the stomach
Dobbhoff |
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PEG Tube
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(Percutaneous Edoscopic Gastrostomy) passed into a patient's stomach through the abdominal wall
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Urinary Catheter
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Foley Catheter- Always clamp the catheter during exams to visualize the bladder
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Ureteral stents
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Inserted from bladder to renal pelvis
Double J |
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Ph Probe
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Used to test for reflux disorder
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nasal cannula (tubing)
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The oxygen should be delivered at a rate of 1 to 6 liters per minute (L/min)
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Greenstick Fracture
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one side of the bone is broken and the other side is bent.
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Spiral / Torsion Fracture
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bone has been twisted apart.
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Transverse Fracture
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line of break forms a right angle with the axis of the bone
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Avulsion Fracture
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joint capsule, ligament, tendon, or muscle is pulled from a bone, taking with it a fragment of the bone to which it was attached.
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Impacted Fracture
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one of the fragments is driven into another fragment.
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Colles’ Fracture
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fracture of the radius of the wrist in which the lower fragment becomes displaced dorsally.
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Comminuted Fracture
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bone is broken, splintered or crushed into a number of pieces.
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What does APGAR stand for?
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A - Activity
P - Pulse G - Grimace A - Appearance R - Respiration |
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Eyes open Glasgow
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Spontaneously = 4
To speech = 3 To pain = 2 None = 1 |
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Verbal response Glasgow
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Oriented 5
Confused 4 Inappropriate words 3 Incomprehensible sounds 2 None 1 |
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Motor response Glasgow
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Obeys commands 6
Localized pain 5 Flexion withdrawal 4 Abnormal flexion 3 Abnormal extension 2 Flaccid 1 |
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What is the Highest Possible Score on the Glasgow Coma Scale?
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15
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What are the numeric values for APGAR? (each has 0 1 or 2)
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1-10 scale
7-10 is normal 4-7 may need resuscitative measures 3 or less needs immediate resuscitative measures |
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What is the trade name for Diphenhydramine Hydrochloride?
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Benadryl
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What is the most frequently used OTC drug to treat allergies and hypersensitive reactions?
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Diphenhydramine Hydrochloride
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How is Epinephrine (Adrenaline) administered?
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subcutaneously, Intramuscularly, or Intravenously
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What is Epinephrine (Adrenaline)?
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Bronchodilator and vasoconstrictor to counteract severe allergic reactions
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What rapid treatment with epinephrine , can sometimes be life-saving?
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sometimes an epi-pen, can be life-saving.
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What is given orally before injection of iodinated contrasts to patients who are at risk of having an allergic reaction?
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Diphenhydramine Hydrochloride
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What steroid antihistamine reduces edema of the bronchial tree?
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SoluMedrol (Methylprednisolone)
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Cortisone….just say some things about it
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anti-inflammatory, steroid drug
administered intravenously or topically (on the skin) Can reduce bone density over time |
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Drugs that relieve pain by acting on the peripheral and central nervous system
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Analgesics
Analgesic sedatives with potential for addiction |
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Opioids (narcotics)
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Classified as controlled substances
Depresses the CNS, relieving pain and producing drowsiness. Excessive doses can result in depressed respirations, coma, and possible death. |
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Anticoagulant
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inhibits the clotting mechanism of the blood
used to keep IV lines and arterial catheters open during diagnostic procedures. e.g. Heparin, Coumadin |
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Sedatives
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e.g. Barbiturates, Phenobarbital
depresses the CNS, resulting in calmness, relaxation, reduction of anxiety, sleepiness, slurred speech, poor judgment, and slow reflexes. |
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Tranquilizers..i.e. (Xanax, Valium, Ativan,Versed)
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Reduce anxiety and tension
Used for operative patients and certain radiographic examinations (e.g. endoscopy, MRI) At low doses do not impair mental activity, but as dosage increases, patients tend to feel drowsy and have reduced mental capacity |
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What is APGAR used for?
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Simple and repeatable method to quickly and summarily assess the health of newborn children immediately after birth
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What steroid antihistamine reduces edema of the bronchial tree?
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SoluMedrol (Methylprednisolone)
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French Catheter scale
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1 Fr = 0.33 mm Direct sizing
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NSAID
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Non-steroidal anti-inflammatory drug
Reduce pain, fever, inflammation Advil, Motrin(ibuprofen) Aleve (naproxen) Celebrex, Vioxx, Bextra are by prescription |
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Angina
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Pain
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Pectoris
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Chest
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Diaphoresis
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Excessive sweating
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Symptoms of Respiratory distress
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Symptoms: labored, noisy breathing; wheezing; diaphoresis; anxiety; cyanosis
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Sublingually
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Drugs placed under the tongue or inside the cheek
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Subcutaneous
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“Under the skin” 45^
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Venipunctures
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Surgical puncture of a vein especially for the withdrawal of blood or for administration of intravenous fluids or drugs
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Extravasation (intravenous)
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When you miss the vein and get the drug in the surrounding tissue.
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Hypovolemic Shock
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Low-volume shock, replace fluids for treatment
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Septic Shock
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Massive infection, drop in blood pressure happens
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Neurogenic Shock
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The failure of arterial resistance, causes a pooling of blood in peripheral vessels.
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Cardiogenic Shock
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Cardiac failure or interference with heart function. A pulmonary embolus or a reaction to anesthesia may initiate such an event.
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