Energy and Endurance

Energy and Endurance
 
O2+Pi=AMP+O2+Pi+Pi=ADP+O2+Pi+Pi+Pi=ATP
 
ATP Utilization and Metabolism...
 
 700 mg ATP in cardiac tissue
 
 At HR of 60 we utilize ~ 70 mg/second
 
 700 mg lasts 10 seconds ~ about 10 heartbeats
 
 86,000 beats/day = 6 million mg ATP utilized
 
 Myocardial ATP turns over ~ 10,000 times/day!
 
"Heart"
 
"Just in Time" Production and Transport