Immediate Questions

A. What are the vital signs? Heart rate and BP are important factors in determining management strategy and differential diagnosis. Significant hypotension from tachydysrhythmia is an indication for immediate cardioversion, especially when related to ventricular tachycardia or fibrillation. Hypotension and tachypnea in infants can result from prolonged tachycardia and congestive heart failure (tachycardia-induced cardiomyopathy). Hypertension and tachycardia can be associated with pheochromocytoma, thy-rotoxicosis, drugs, pain, or anxiety.

B. What is past medical history? Family history? Cardiac abnormalities or previous cardiac surgery predispose individuals to various rhythm disorders. Additionally, noncardiac disease (eg, hyperthy-roidism), tuberous sclerosis (rhabdomyomas), pheochromocy-toma, and renal disease may produce various tachycardias. Some tachycardias are the result of genetic syndromes (long QT, Brugada, arrhythmogenic right ventricular dysplasia) or are familial (atrial fibrillation).

C. Has patient previously experienced rhythm abnormality? Patients with frequent premature atrial beats can develop atrial tachycardia; frequent premature ventricular beats can develop into ventricular tachycardia.

D. Has patient received any medications? Stimulant medications (cold preparations, therapies for attention-deficit/hyperactivity

Blood Pressure Health

Blood Pressure Health

Your heart pumps blood throughout your body using a network of tubing called arteries and capillaries which return the blood back to your heart via your veins. Blood pressure is the force of the blood pushing against the walls of your arteries as your heart beats.Learn more...

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