Panic disorder

DDx

Supraventricular tachycardia or angina pectoris
Hyperthyroidism
Pheochromocytoma
Medication or substance abuse, eg, caffeine, nicotine, cocaine, amphetamines, pseudoephedrine
Other anxiety disorder, eg, obsessive-compulsive disorder, post-traumatic stress disorder (PTSD)
Somatoform disorder (eg, somatization)

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