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Exam (elaborations)

CCRN: Cardiac

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S3 Associations - answer-Pulmonary htn/cor pulmonale Mitral/aortic/tricuspid insufficiency Heart failure S3 Cause - answer-Caused by a rapid rush of blood into a dilated ventricle, right after S2 S4 Cause - answer-Atrial contraction of blood into a noncompliant ventricle, right before S1 ...

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  • September 16, 2024
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  • 2024/2025
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  • CCRN: Cardiac
  • CCRN: Cardiac
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TOPDOCTOR
CCRN: Cardiac Exam
S3 Associations - answer-Pulmonary htn/cor pulmonale
Mitral/aortic/tricuspid insufficiency
Heart failure

S3 Cause - answer-Caused by a rapid rush of blood into a dilated ventricle,
right after S2

S4 Cause - answer-Atrial contraction of blood into a noncompliant ventricle,
right before S1

S4 Associations - answer-Myocardial ischemia
Infarction
HTN
Ventricular hypertrophy
Aortic stenosis

Pulse Pressure (PP) Calculation - answer-Systolic - Diastolic = PP

Normal PP - answer-40 - 60

SBP - answer-Measure of cardiac output and stroke. volume

Narrowing Pressure w/ SBP - answer-A decrease in SBP w/ little change or
increase in DBP is seen most often in severe hypovolemia or a severe
decrease in CO.

DBP - answer-Measure of systemic vascular resistance

Widening Pressure w/ DBP - answer-Can indicate vasodilation, a drop in SVR;
often seen in sepsis and septic shock

When Do Coronary Arteries Perfuse? - answer-Diastole

Causes of Valvular Heart Disease - answer-CAD, MI, Ischemia
Dilated cardiomyopathy
Degeneration
Bicuspid aortic valve
Rheumatic fever
Infection
Connective tissue diseases

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