Auscultation

Question 1

S1

Answer 1

due to closure of mitral/tricuspid valves
beginning of systole 5th ICS/midclavicular line
best heard R sternal border/

Question 2

S2

Answer 2

due to closure of aortic/pulmonic valves
marks end of systole
best heard R sternal border 2nd ICS

Question 3

S3

Answer 3

due to poor ventricular compliance
heard in early diastole
may indicate congestive heart failure

Question 4

S4

Answer 4

exaggerated atrial contraction
heard in late diastole
CHD, MI, aortic stenosis or chronic HTN

Question 5

Bruit

Answer 5

blowing sound indicative of atherosclerosis

Question 6

Vesicular breath sounds

Answer 6

normal breath sounds

heard through inspiration/beginning expiration