Physiological Changes in Pregnancy

Question 1

Physiological ECG changes in pregnancy

Answer 1

Left Axis Deviation and T wave inversion

Question 2

Physiological Murmur of Pregnancy

Answer 2

Tricuspid regurgitation

Pan-systolic murmur

90% of pregnancy women have ejection systolic murmur

Question 3

Physiological changes of the Cario-Respiratory System

Answer 3

Cardio
40% Increase in Cardiac Output (increased SV and HR)
50% decrease in vascular resistance
Blood pressure falls to lowest in seocnd trimester due to lowered SVR
Blood pressure at pre-pregnant levels by term

Respiratory
Tidal Volume increases by 40%
No change in RR

Question 4

Renal Changes

Answer 4

40% increase in GFR

creatinine and urea levels decrease