Cardiology

Curtailed sleep may alter how intense exercise stresses the heart

In a new study, participants underwent an intense bout of exercise after both normal sleep and after three nights of curtailed sleep. When they exercised after curtailed sleep, the levels of the heart injury biomarker troponin ...

Cardiology

Troponin linked to increased risk of death

A blood test that measures the presence of heart specific proteins called troponins is used by A&E hospitals to diagnose myocardial infarction in patients with chest pain. But even normal levels of the protein in patients ...

Cardiology

Heart health measured with a simple blood test

Researchers have discovered a new indicator that measures the risk of future heart disease. High levels of this substance, called troponin, can identify people at risk.

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