Rapid Heart Rate
A resting heart rate above 100 beats per minute, which can be caused by fever, anxiety, dehydration, thyroid conditions, or heart rhythm disorders.
What is Rapid Heart Rate?
Rapid Heart Rate is a symptom that people may experience for many reasons. It can be related to infections, chronic conditions, injuries, medication effects, or other health changes. The presence of this symptom alone does not diagnose any condition.
If you have Rapid Heart Rate that is severe, persistent, or accompanied by other warning signs, contact a qualified healthcare provider.
Possible conditions associated with Rapid Heart Rate
The following conditions have been associated with Rapid Heart Rate. Only a health professional can determine the underlying cause.
Chagas Disease
A parasitic infection caused by Trypanosoma cruzi, spread by triatomine ('kissing') bugs. It can be silent for years and...
Mast Cell Activation Syndrome
A condition in which mast cells release excessive chemical mediators, causing recurrent episodes of flushing, hives, itc...
Postural Orthostatic Tachycardia Syndrome
A disorder of the autonomic nervous system in which standing up causes an abnormal rise in heart rate, leading to dizzin...
Pulmonary Embolism
A blockage in a lung artery, usually from a blood clot that travels from the legs, causing sudden chest pain and shortne...
Supraventricular Tachycardia
A condition in which the heart suddenly beats very fast because of abnormal electrical signaling above the ventricles, c...
Related symptoms
When to seek medical care
Seek urgent care if Rapid Heart Rate is severe, sudden, or occurs with chest pain, difficulty breathing, confusion, severe weakness, or other serious symptoms.