Cardiology

'A-fib' heart problem more common than thought, doctor finds

Several million older Americans have been diagnosed with atrial fibrillation, the abnormal heart rhythm abbreviated as A-fib, because they experienced symptoms such as palpitations, dizziness, and shortness of breath.

Sleep disorders

Sleep apnea common in atrial fibrillation patients

A study involving cardiac patients at the University Hospital of Umeå shows that over 80 percent of patients treated for atrial fibrillation also have sleep apnea - a condition with pauses in breathing during sleep. The ...

Cardiology

Ventricular tachycardia reduced in patients with defibrillators

A drug approved to treat chest pain reduces the incidence of a common arrhythmia called ventricular tachycardia in patients with an implantable cardioverter defibrillator (ICD), according to a study presented today at the ...

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