Diagnosis of<unk>  can be confirmed by an electrocardiogram that shows the following characteristics: * Rate: Less than 60 beats per minute. * Rhythm: Regular. * P waves: Upright, consistent, and normal in morphology and duration. * PR interval: Between 0.12 and 0.20 seconds in duration. * QRS complex: Less than 0.12 seconds in width, and consistent in morphology. Taking a thorough medical history and physical exam by healthcare providers can also help with narrowing differential diagnosis. Any recent changes to patient's medication history, new symptoms such as chest pain, shortness of breath and palpitations, family history of<unk> , physical exam that reveals cyanosis, peripheral edema, altered mental status, dyspnea, rales and crackles are all relevant information to consider for differential diagnosis.
Sinus bradycardia
Sinus arrhythmia
Automatic tachycardia
Junctional tachycardia
Hypopyon
Sinus tachycardia
Inappropriate sinus tachycardia
Paroxysmal tachycardia