He was diagnosed with hypertrophic cardiomyopathy -- one of the most common heart conditions .
NBA mourns -- Basketball lost Reggie Lewis in 1993 when the Boston Celtics ' NBA All - Star dropped dead on the court in an offseason practice match at the age of 27 .
Reggie Lewis was diagnosed with hypertrophic cardiomyopathy -- one of the most common heart conditions .
NBA mourns -- Basketball lost Reggie Lewis in 1993 when the Boston Celtics ' NBA All - Star dropped dead on the court in an offseason practice match at the age of 27 .