Physio Changes In Pregnancy Flashcards
0
Q
Heart rate
A
Increased by about 10 Bpm
1
Q
Systemic vascular resistance
A
Reduced with decreased after load
2
Q
Plasma volume
A
Increased with increased preload
3
Q
Stroke volume
A
Increased
Peaks at 16 weeks
4
Q
Cardiac output
A
Increased by 30-50%
Half of the total increase by 8 weeks gestation
Peaks at 16 weeks
5
Q
Systemic and pulmonary resistance
A
Fall
6
Q
Blood pressure
A
May fall in second trimester
Rise slightly in third trimester
7
Q
Times of greatest change
A
Early pregnancy
Second stage
Immediately post partum
8
Q
ECG changes
A
Atrial and ventricular ectopics
Left shift to QRS axis
Small Q wave and inverted T wave in lead III
ST segment depression and T wave inversion in inferior and lateral leads
