Exam (elaborations) CARDIAC + CCRN Questions cardiac 2 Exam (elaborations) Cardiovascular -- Barron s CCRN 3 Exam (elaborations) CCRN Cardiac Review 4 Exam (elaborations) CCRN Cardiovascular 5 Exam (elaborations) CCRN Review: Cardiovascular Review 6

S3 occurs where and when? - answer-heard best at the apex of the heart right after S2 what is S3 associated with? - answer-Heart failure, Pulmonary hypertension, cor pulmonale, and mitral/aortic/tricuspid insufficiency what is S3? - answer-rapid rush of blood into a dilated ventricle what i...

A patient in the ED with complaints of chest pain. The 12-lead EKG shows ST elevation in leads V3 and V4. Occlusion of the affected coronary artery most likely would affect perfusion to which portion of the conduction system? A. Sinoatrial (SA) node B. Bachmann's bundle C. Atrioventricular (AV...

S3 - answer-Rush of blood into dilated ventricle Associated w/ HF, pulm HTN, cor pulmonale, mitral/aortic/tricuspid insufficiency S4 - answer-Atrial contraction of blood into noncompliant ventricle (so will not hear w/ Atrial Fibrillation, d/t no atrial contraction) Associated w/ myocardial isc...

Cardiac Output - answer-HR x SV Younger children tend to have a higher CO because their HR is faster. Cardiac Index - answer-More specific indicator of hemodynamic status than cardiac output (includes body surface area in equation). CO is normally 4-8 L/min, however CI is 2.5-4.0 L/min/m2. ...

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 ...