Cardiology

Your weight history may predict your heart failure risk

In a medical records analysis of information gathered on more than 6,000 people, Johns Hopkins Medicine researchers conclude that simply asking older adult patients about their weight history at ages 20 and 40 could provide ...

Cardiology

Calculating a dangerous heartbeat

How ventricular fibrillation will behave in an individual patient can be accurately modeled and predicted using a single mathematical equation, according to Flinders University researchers.

Genetics

Scientists catch heartbeat 'molecular switch' in action

Oxford University Radcliffe Department of Medicine researchers have developed a new method that uses a protein originally found in marine corals to visualise the flow of calcium that makes the heart beat.

Psychology & Psychiatry

Depression risk detected by measuring heart rate changes

For the first time doctors have shown that measuring changes in 24-hour heart rate can reliably indicate whether or not someone is depressed. In practical terms, this may give clinicians an objective "early warning" of potential ...

Surgery

Surgery risks go up depending upon the anesthesiologist's workload

Most major surgeries would not be possible without anesthesia to render a patient unconscious and pain free and to ensure that their vital functions—including blood pressure, breathing, and heart rate and rhythm—remain ...

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