Heart Sounds and ECG

Question 1

Aortic Area

Answer 1

2nd intercostal space at right sternal border

Question 2

Pulmonic Area

Answer 2

2nd intercostal space at left sternal border

Question 3

Mirtial Area

Answer 3

5th intercostal space medial to left midclavicular line

Question 4

Tricuspid Area

Answer 4

4th intercostal space at left sternal border

Question 5

S1 sound

Answer 5

Lub - 1st heart sound. Closing of mitral and tricuspid valves at onset of ventricular systole

Question 6

S2 sound

Answer 6

Dub - 2nd heart sound. Closure of aortic and pulmonic valves at onset of ventricular diastole.

Question 7

S3 sound

Answer 7

Vibrations of distended ventricle walls due to passive flow of blood from atria during rapid filling phase of diastole.

Question 8

S4 Sound

Answer 8

Pathological sound of vibration of ventricular wall with ventricular filling and atrial contraction.

Question 9

Murmur

Answer 9

Vibrations of longer duration than the heart sounds, often due to disruption of blood flow past a stenotic or regurgitant valve.