Rhythm that originates ectopically above the His bundle
Heart rate of 100 bpm or greater
Irregular narrow complex supraventricular tachycardia (SVT):
Atrial fibrillation (AF):
Palpitations (most common)
Lightheadedness, pressure in the head
Prominent neck veins “frog sign”
Signs of instabilit...
AF is most likely diagnosed when the rhythm is irre...
Possible cardiac ischemic event
Possible pre-excitation syndrome
Other underlying metabolic abnormalities
Valsalva maneuvers should, ideally, be attempted with the patient lying flat. Despite the modest likelihood of success, the maneuver is simple and efficient.
AF is the most worrisom...
Colucci RA, Silver MJ, Shubrook J. Common types of supraventricular tachycardia: Diagnosis and management. Am Fam Physician. 2010;82(8):942–952.
Hood RE, Shorofsky SR. Man...
427.0 Paroxysmal supraventricular tachycardia
427.89 Other specified cardiac dysrhythmias
6456007 Supraventricular tachycardia (disorder)
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