This strip is from a patient who experienced a sudden onset of palpitations and rapid pulse while at rest. It shows a narrow-complex tachycardia, specifically a paroxysmal supraventricular tachycardia. The subject of supraventricular tachycardias is a fascinating one, and is covered extensively throughout this website. The mechanisms of SVT are many, and can be complex for the beginning student to understand. Search the search terms on the left side of the page for entries from ASK the EXPERT and JASON's BLOG for more advanced information about SVT.
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