Mumur maneuvers

Question 1

Squatting/PLR:

Answer 1

• Increases venous return to heart
• Increase L. Ventricular Volume

Increases AS

Decrease: HCOM+MVP

Question 2

Standing/Valsalva

Answer 2

• Decrease venous return to heart
• decrease L. Ventricular volume

-Decrease: AS

Increase: HCOM+MVP

Question 3

Isometric Hand Grip

Answer 3

• Increases peripheral vascular resistance, more blood goes back to left atrium and from left ventricle to right ventricle
• Increases: MR+VSD

Decreases: AR

Question 4

Inspiration

Answer 4

• Increases venous return to the right of the heart
• Normal S2 split dt delayed pulmonic valve closure

Decreases: LBBB/AS/S2 split

Increases:
-S2 split due to RBBBB
TS, PS
Right side heart sounds

Question 5

Expiration

Answer 5

Increases:
S2 split due to LBBB

Increases: L murmurs or MR,AR