# sportcardiology exercise escguidelines cardiotwitter medtwitter cardiovasculardisease chd

falls on another important anniversary this year! Vivien Thomas, a true unsung hero of cardiology, was born on August 29.

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2017-08-29

Day 1 of this year falls on the 79th anniv of the 1st ligation of patent ductus arteriosus, performed by Dr. Robert Gross.

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2017-08-26