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COD N2 Unit IV Terms
| Question | Answer |
|---|---|
| Cardiac Output | refers to the amount of blood pumped by each ventricle during a given period |
| Contractility | refers to the force generated by the contracting myocardium |
| Diastole | The pressure measured when the ventricles are relaxed is called diastolic blood pressure. |
| JVD | Jugular Vien Distension |
| Hypertention | A sustained elevation of systemic blood pressure to a level that places the patient at increased risk for target organ damage |
| Atrium | Two upper hollow chambers within the heart. |
| Pulmonic Valve | The pulmonic valve divides the right ventricular outflow tract from the pulmonary artery |
| stroke volume | the amount of blood ejected per heartbeat |
| preload | the degree of stretch of thecardiac muscle fibers at the end of diastole |
| afterload | the amount of resistance to ejection of blood from the ventricle, is the second determinant of stroke volume |
| ejection fraction | it is the percentage of the end-diastolic volume that is ejected with each stroke |
| S1 first heart sound | closure of the mitral & tricuspid valves creates the first heart sound |
| S2 second heart sound | closing of the aortic and pulmonic valves produces the second heart sound |
| Hypotension | Blood pressure lower than needed for adequate tissue perfusion and oxygenation. |
| LDL | is referred to as the ‘bad cholesterol.’ It is the main lipid component of the atherosclerotic plaque and is considered bad cholesterol because increased levels reflect increased tendency to CAD. |
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