Cardiovascular changes in pregnancy

CARDIOVASCULAR CHANGES IN PREGNANCY

  1. The resting pulse rate increases by 10 beats /min
  2. Apex is moved laterally
  3. Cardiac output remains elevated throughout (maximum in the immediate postpartum period)
  4. X Ray shows larger cardiac silhouette (due to benign pericardial effusion & shifted apex)
  5. Slight left axis deviation in ECG
  6. Heart sounds
  • s1 loud with exaggerated split
  • s2 normal but loud
  • s3 loud & easily heard
  1. Murmurs
  • systolic murmur intensified during Inspiration or expiration
  • soft diastolic murmur
  • continuous murmur arising from breast vasculature