My Heart Tweets: The cardiac cycle and the ECG, explained https://t.co/B9vQ2sE2RK https://t.co/YY3Xx37i5l

Saturday, December 21, 2019

The cardiac cycle and the ECG, explained https://t.co/B9vQ2sE2RK https://t.co/YY3Xx37i5l

The cardiac cycle and the ECG, explained https://t.co/B9vQ2sE2RK pic.twitter.com/YY3Xx37i5l
— Massimo (@Rainmaker1973) December 20, 2019

from Twitter https://twitter.com/Rainmaker1973

December 20, 2019 at 09:40PM

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