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The heart rate increases, but generally not above 100 beats/ minute. Total systematic vascular resistance decreases by 20% secondary to the vasodilatory effect of progesterone. Overall, the systolic and diastolic blood pressure drops 10–15 mm Hg in the first trimester and then returns to baseline in the second half of pregnancy. [6]
Symptoms usually include one or more of the following: orthopnea (difficulty breathing while lying flat), dyspnea (shortness of breath) on exertion, pitting edema (swelling), cough, frequent night-time urination, excessive weight gain during the last month of pregnancy (1-2+ kg/week; two to four or more pounds per week), palpitations (sensation of racing heart-rate, skipping beats, long pauses ...
Palpitation that is caused by heart muscle defects will require specialist examination and assessment. Palpitation that is caused by a stimulation of the vagus nerve rarely involves physical defects of the heart. Such palpitations are extra-cardiac in nature, that is, palpitation originating from outside the heart itself.
A faster-than-normal heart rate. ... Possibly taking certain medications during pregnancy, such as statins. ... Heart palpitations. Heart attack.
Patwa says that heart palpitations are tied to the heart's electrical conduction system, a network of muscle cells in the heart’s wall that control heartbeats’ rate and rhythm. “The heart ...
In 2000, more than one in five women over 50 were taking hormones, according to statistics tracked by the Menopause Society, an influential health-care nonprofit. By 2008, fewer than 5 percent of ...
It is the normal response to healthy exercise or pregnancy, [6] which results in an increase in the heart's muscle mass and pumping ability. It is a response to 'volume-overload', either as a result of increased blood return to the heart during exercise, or a response to an actual increase in absolute blood volume as in pregnancy.
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