Among cancer patients who have tachycardia but who have not had a medical condition that is associated with tachycardia, such as pulmonary disease or thyroid disease, overall mortality risk is ...

WASHINGTON -- Unexplained sinus tachycardia was associated with a significantly higher rate of all-cause mortality in patients with cancer, a retrospective study found. Among over 600 patients, the ...

For most adults, the heart beats 60 to 100 times per minute. When someone’s heart beats more than 100 times per minute, they have a condition called tachycardia. During certain specific experiences, ...

Polymorphic ventricular tachycardia is an abnormal heart rhythm where the bottom chambers of your heart beat too quickly. People with severe cases may experience sudden cardiac arrest. Conditions that ...

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 ...

People with postural orthostatic tachycardia (POTS) syndrome may experience a marked increase in heart rate upon standing up that can cause a variety of symptoms. POTS is a disorder affecting the ...