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Diagnosis Harm/ aetiology Prognosis Therapy

Palpitations event recorders detected more arrhythmias than Holter monitoring. Level of evidence 1b Expiry Date October 2004 Syncope signal-averaged ECG did not predict well which patients had inducible VT. Level of evidence 1b Expiry Date October 2004 Syncope clinical events during loss of consciousness may have helped distinguish seizure from no seizure. Level of evidence 4 Expiry Date October 2004 Syncope patients with irregular pulses were more likely to have an arrhythmia. Level of evidence 4 Expiry Date June 2004 Syncope electrophysiologic studies detected arrhythmias in patients with unexplained syncope. Level of evidence 4 Expiry Date October 2004 Syncope More people with syncope had symptoms on tilt testing than those without Level of evidence 4 Expiry Date January 2004 Syncope more arrhythmias were detected the longer Holter monitoring was worn. Level of evidence 4 Expiry Date October 2004 Syncope no ischaemic changes on the first ECG made acute cardiac ischaemia unlikely. Level of evidence 1b Expiry Date October 2004 Syncope major arrhythmias occurred in a tenth of patients with unexplained syncope, but were unrelated to symptoms. Level of evidence 4 Expiry Date October 2004 Syncope tilt table testing: positive results are common in patients with or without syncope. Level of evidence 2a Expiry Date October 2004 Syncope the sensation of syncope did not alone suggest arrhythmia. Level of evidence 1b Expiry Date October 2004 Syncope an epileptiform EEG made seizures more likely. Level of evidence 4 Expiry Date December 2004 Syncope and seizure a raised CK pointed to a seizure. Level of evidence 1b Expiry Date October 2004 Syncope electrophysiologic studies detected arrhythmias in patients with unexplained syncope. Level of evidence 4 Expiry Date October 2004 Syncope electrophysiologic studies were not very useful. Level of evidence 4 Expiry Date October 2004