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The Rational Clinical Examination
David L. Simel, Drummond Rennie
Cardiac Arrhythmia
Paaladinesh Thavendiranathan, Akshay Bagai, Clarence Khoo, Paul Dorian, Niteesh K. Choudhry
While patients with QT prolongation and associated arrhythmias usually present with syncope, a...

Topics Discussed: atrial fibrillation, cardiac arrhythmia, echocardiography, holter electrocardiography, prolonged qt interval, supraventricular tachycardia, syncope, tachycardia, tachycardia, atrioventricular nodal reentry, tachycardia, ventricular

Excerpt: "Most demographic and historical features do not significantly influence the likelihood of clinically significant arrhythmias.5,6 Patient age may be important because supraventricular tachycardias, particularly ones that use a bypass tract (atrioventricular reentry tachycardia) (Supplemental Figure 1D), may be first experienced earlier in life.9,10 In young athletes with palpitations, it is important to consider clinically significant arrhythmias associated with sudden cardiac death. Atrial fibrillation, flutter, atrial tachycardia, and ventricular tachycardia (Supplemental Figure 1A, B, I) tend to occur later in life and are often associated with structural heart disease. Some arrhythmias such as atrioventricular node reentry tachycardia (Supplemental Figure 1C) may be more common in women than men.9-11..."
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