On average, 50% of all heart attacks are silent – that is, they are painless and leave behind damage that remains undetected – unless the patient and his or
Americais number-one killer, heart disease, can exist in the absence of symptoms. Calledlent heart disease,ts first manifestations can be catastrophic. This no-
How science is opening up the mysteries of the heart, revealing the poetry in motion within the machine. Your heart is a miracle in motion, a marvel of construc