Peripartum cardiomyopathy
As with other forms of dilated cardiomyopathy , PPCM involves systolic dysfunction of the heart with a decrease of the left ventricular ejection fraction ( EF ) with associated congestive heart failure and an increased risk of atrial and ventricular arrhythmias , thromboembolism ( blockage of a blood vessel by a blood clot ) , and even sudden cardiac death . 
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