Wide complex tachycardia is a general term that refers to conditions that cause an unusually fast heart rate and a particular pattern on an EKG. Tachycardia is when your heart beats unusually fast, ...

The irregular supraventricular tachycardias include atrial fibrillation (AF), AFL when it occurs in a patient with variable AV block (not shown), multifocal atrial tachycardia (MAT), and sinus rhythm ...

The correct diagnosis is ventricular tachycardia (Figure 2). The rhythm is regular with a rate of 130 beats/min. The QRS complexes are wide (0.16 sec) without the morphology of a typical right or left ...

Atrial tachycardia is an unusually fast heartbeat that originates in the atria, or upper chambers, of the heart. It is a type of supraventricular tachycardia (SVT). This means it begins above the ...

What caused a patient in their 60s to develop intermittent heart palpitations and periodic weakness? At presentation to the emergency department, the patient said they had not had any significant ...

This article reviews a systematic approach to diagnosis and management of supraventricular tachycardias. Adenosine, which blocks the AV node, is of diagnostic value but should not be used in cases of ...