CARDIAC CHANGES IN PREGNANCY Flashcards
1
Q
HR increased or decreased?
A
Increased
2
Q
HR % change
A
~17% (15-20bpm) Increase
3
Q
Onset of HR change
A
5w
4
Q
Peak HR change
A
32w
5
Q
SV increased or decreased?
A
Increased
6
Q
SV % change
A
20-30% increased
7
Q
Onset of SV change
A
By 8w
8
Q
Peak SV change
A
30w
9
Q
CO increased or decreased?
A
Increased
10
Q
CO % change
A
~50% (7L compared to 5L), could be up to 70% in twins
11
Q
CO peak during regular gestating
A
25-30w
12
Q
CO peak during labor
A
2nd stage with contractions (7-10.5L/min)
13
Q
CO peak PP
A
10-30min PP
14
Q
When does CO return to pre-labor baseline?
A
1hr (~7L)
15
Q
When does CO return to pre-conceptual baseline?
A
~2-4w PP
