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20 Cards in this Set
- Front
- Back
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PERICARDIUM
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-TWO LAYERED SEROUS MEMBRANE
-OUTERMOST LAYER OF THE HEART |
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MYOCARDIUM
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-BULK OF HEART WALL AND THICKEST AND STRONGEST LAYER
-CONTRACTION RESPOSIBLE FOR PUMPING BLOOD |
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ENDOCARDIUM
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-INNERMOST LAYER OF HEART
-COMPOSED OF THIN LAYER OF CONNECTIVE TISSE, LINING THE HEART |
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4 HEART VALVES
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TRICUSPID-BETWEN RT. ATRIUM AND RT. VENTRICLE
MITRAL/BICUSPID-BETWEEN LT. ATRIUM AND LT. VENTRICLE PULMONARY SEMILUNAR VALVE-BETWEEN RT. VENTRICLE AND PULMONARY ARTERY AORTIC SEMILUNAR VALVE-BETWEEN LT. VENTRICLE AND AORTA |
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AUTOMATICITY
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INHERENT ABILITY TO CONTRACT IN A RHYTHMIC PATTERN
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IRRITABILITY
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ABILITY TO RESPOND TO A STIMULUS IN THE SAME WAY THAT NERVE CELLS DO
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HORMONES, ION CONCENTRATION, AND CHANGES IN BODY TEMP. AFFECT THE FOLLOWING FUNCTIONS OF THE HEART:
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1. CONDUCTION OF MESSAGES AROUND TE HEART
2. INITIATION OF HEARTBEAT 3. COORDINATION OF BEATING PATTERNS BETWEEN THE ATRIA AND THE VENTRICLES |
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IMPULSE PATTERN
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SA NODE--AV NODE--BUNDLE OF HIS--RIGHT AND LEFT BUNDLE BRANCHES--PURKINJE FIBERS
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THE CARDIAC CYCLE REFERS TO
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A COMPLETE HEARTBEAT
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SYSTOLE
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CONTRACTION PHASE OF HEART
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DIASTOLE
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RELAXATION PHASE OF THE HEART
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CORONARY CIRCULATION
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DELIVERY OF OXYGEN AND NUTRIENTS-RICH ARTERIAL BLOOD TO CARDIAC MUSCLE TISSUE AND THE RETURN OF OXYGEN-POOR BLOOD
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CORONARY CIRCULATION DEOXYGENATED BLOOD FLOWS INTO THE:
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LARGE CORONARY VEIN AND EMPTIES INTO THE RIGHT ATRIUM
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SUPERIOR VENA CAVA RETURNS BLOOD FROM?
INFERIOR VENA CAVA RETURNS BLOOD FROM? |
1. HEAD, NECK, CHEST, AND UPPER EXTREMITIES
2. PARTS OF THE BODY BELOW THE DIAPHRAGM |
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BLOOD CIRCULATION STARTING WITH SUPERIOR/INFERIOR VENA CAVA
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SUPERIOR/INFERIOR VENA CAVA--RIGHT ATRIUM--TRICUSPID VALVE-RIGHT VENTRICLE--PULMONARY SEMILUNAR VALVE--PULMONARY ARTERY--CAPILLARIES IN THE LUNGS--PULMONARY VEINS--LEFT ATRIUM--BICUSPID VALVE--LEFT VENTRICLE--AORTIC SEMILUNAR VALVE--AORTA
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NURSING RESPONSIBILITIES WITH LABORATORY AND DIAGNOSTIC TESTING
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1. PHYSICALLY PREPARE THE PATIENT FOR THE PROCEDURE
2. EXPLAIN THE EXAM TO THE PATIENT |
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RADIOGRAPHS OF THE CHEST SHOW:
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HEART SIZE, SHAPE, AND POSITION
OUTLINE OF SHADOWS, LUNG CONGESTION, PLEURAL EFFUSION |
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FLUOROSCOPY
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-ACTION-PICTURE RADIOGRAPH, ALLOWS OBSERVATION OF MOVEMENT
-INVALUABLE IN PACEMAKER OR INTRACARDIAL CATHETER PLACEMENT |
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ANGIOGRAM
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-SERIES OF RADIOGRAPHS TAKEN AFTER INJECTION OF RADIOPAQUE DYE INTO AN ARTERY
-Dx VESSEL OCCLUSION, POOLING IN HEART CHAMBERS, & CONGENITAL ANOMALIES |
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AORTOGRAM
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-VISUALIZES THE ABDOMINAL AORTA AND MAJOR LEG ARTERIES BY DYE INJECTED THROUGH FEMORAL ARTERY
-ANEURYSMS AND OTHER ABNORMALITIES CAN BE Dx |
