Cardiac murmur in pregnancy

• Systolic murmurs are common 
- prevalence over 90% 
- vast majority are flow murmurs. 
- Over 90% of patients have normal cardiac structure and function on ECHO
• Left sternal border area is most frequently the area of maximal intensity

• Diastolic mumurs are uncommon and should be considered abnormal as should pansystolic and long and loud systolic murmurs