Signals from the distressed heart muscle travel to the brain, which reacts by ramping up sympathetic nervous system activity - instructing the heart to beat harder and faster to compensate for its damaged tissue.īut over time, the response creates new problems. Within seconds of a heart attack, the body senses a problem. This Chronicle story is the first of three to highlight the work of Cornell researchers who are supported in part by funding from the AHA. Scientists across Cornell are involved in the effort to combat heart disease and stroke in a variety of ways - from investigating its causes and contributing factors to testing possible pathways for treatments. Professor Robin Davisson and graduate student David Infanger, right, discuss video recordings of a mouse's beating heart taken with a super-high-frequency ultrasound machine in Davisson's lab.įebruary is American Heart Month, the time when American Heart Association volunteers and staff ramp up efforts to raise awareness about cardiovascular disease - the leading cause of death in the U.S.
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