Coughing might help you survive a heart attack — but call 911 first
For at least 25 years, people have circulated this purported health advice for surviving a heart attack "when you're alone." ...
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A Comparison of 2-Lead, 6-Lead, and 12-Lead ECGs in Patients With Changing Edematous States
Objective: Precordial ECGs reveal significant intrasubject variability due to the inexact employment of the recommended V 1-V 6 chest landmarks. Also, as per the Einthoven law, the six limb leads ...