Diseases, Conditions, Syndromes

COVID-19 can kill heart muscle cells, interfere with contraction

Since early in the pandemic, COVID-19 has been associated with heart problems, including reduced ability to pump blood and abnormal heart rhythms. But it's been an open question whether these problems are caused by the virus ...

Medications

FDA warns of heart risks with Trump-promoted malaria drug

The U.S. Food and Drug Administration on Friday warned doctors against prescribing a malaria drug touted by President Donald Trump for treating the new coronavirus except in hospitals and research studies.

Diseases, Conditions, Syndromes

More deaths, no benefit from malaria drug in VA virus study (Update)

A malaria drug widely touted by President Donald Trump for treating the new coronavirus showed no benefit in a large analysis of its use in U.S. veterans hospitals. There were more deaths among those given hydroxychloroquine ...

Diseases, Conditions, Syndromes

Heart woes spur partial stop of malaria drug study for virus

Scientists in Brazil have stopped part of a study of a malaria drug touted as a possible coronavirus treatment after heart rhythm problems developed in one-quarter of people given the higher of two doses being tested.

Cardiology

An atomic view of the trigger for the heartbeat

Atomic-level studies of the architecture of tiny sodium channel proteins, critical to generating electrical signals that start off each beat of the heart, are imparting striking details about their function, malfunctions, ...

Health

Antipsychotic use in older adults after heart surgery

Delirium is the medical term for an abrupt, rapid change in mental function that goes well beyond the typical forgetfulness of aging. Delirium can cause you to become confused, potentially aggressive, agitated, sleepy, and/or ...

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