Karim Ladha, MD
Niagara Falls, Ontario—Postoperative myocardial injury is correlated with increasing resting preoperative heart rate in noncardiac surgery patients, according to a new study. Interestingly, the researchers concluded that the relationship may be J-shaped instead of linear, demonstrating that abnormally low heart rates may be potentially dangerous, too.
“One of the theories about myocardial injury is that heart rate, being one of the key determinants of myocardial