Rapid Heart Rate

Rapid heart rate may be a symptom of asthma, thyroid disorder, anxiety, subarachnoid hemorrhage, heart arrhythmia, peritonitis, pheochromocytoma, radiation sickness or diphtheria. To learn more about the cause of your symptoms, click on each of the diseases listed below.

Asthma

Atrial Septal Defects

Atrioventricular Septal Defects

Anxiety

Diphtheria

Endocarditis

Congenital Heart Block

Heart Valve Disease

Heat Stroke

Mitral Valve Prolapse Syndrome

Myocarditis

Palpitations

Peritonitis

Pheochromocytoma

Radiation Sickness

Subarachnoid Hemorrhage

Thyroid Disorder

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