Tachycardia refers to a fast resting heart rate, usually over 100 beats per minute (bpm) in adults. Some people experience no symptoms, but others may notice palpitations and lightheadedness, among ...

Dr. Steve Hammill answers the question: 'What Is Sinus Tachycardia?' — -- Question: What is sinus tachycardia, and is it something that should be treated? Answer :Sinus tachycardia is the heart ...

Medically reviewed by Angela Ryan Lee, MDMedically reviewed by Angela Ryan Lee, MD Tachycardia is the medical term for an elevated resting heart rate, which can occur when your heart beats more than ...

Postural orthostatic tachycardia syndrome (POTS) is a common heterogeneous form of cardiovascular autonomic dysregulation. The exact cause of POTS remains unclear. Patients typically complain of ...

Pulseless ventricular tachycardia occurs when an abnormally rapid heart rate originating in the heart’s lower chambers makes a pulse undetectable. Emergency cardiac defibrillation is usually necessary ...

Nonsustained ventricular tachycardia, a type of arrhythmia, can cause short episodes of rapid heart rate and related symptoms. It usually doesn’t affect life expectancy, but treatment can help you ...

In early 2020, no one anticipated the long-term consequences of the coronavirus disease 2019 (COVID-19) pandemic. During the first year of the pandemic, the focus was survival from acute infection.

Dr. Patrick Malecha (Medicine): A 69-year-old man with a history of myocardial infarction, ischemic cardiomyopathy, and an implantable cardioverter–defibrillator (ICD) was evaluated because of dyspnea ...