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Tachyarrhythmias

Clinical features
Investigations
Therapy
Prevention
Prognosis
Clinical features

Look for an irregular pulse b

Why?

An irregular pulse makes an arrhythmia more likely

Patient Target Disorder and
Reference Standard		 Diagnostic Test LR+
(95% CI) 		Post-test Probability LR-
(95% CI) 		Post-test Probability
undergoing Holter monitoring b (pre-test probability: 53%) arrhythmia
(Holter monitoring) 		irregular pulse 8.9
(1.2 to 69) 		91% 0.97
(0.94 to 0.99) 		52%

Expiry date: July 2004
Levels of Evidence used in grading these guides

Author   CM   Ball
Reviewer   H   Oral
CAT Writers   CM   Ball , N   Shenker , CJ   Wotton