ABSTRACT
Sixty-two patients with the complaints of transient attacks of palpitation, dizziness, and for synoope were evaluated by continous ambulatory ECO recording for 24 hours [Holier monitoring]. In all these patients it was not possible to obtain a standard ECG recording during the patient typical symptom; morever the resting ECG was devoid of any dysrrhythmia in the majority [89%] of patients; Hotter monitoring revealed 2 diagnosticaly important groups. 1- Those with arrhythmias coinciding with the symptoms in 26 [42%] patients. 2- In 5 [8%] patients, no arrhythmia was recorded during the patient's symptoms. thus excluding cardiac arrhythmia as a possible cause of their symptoms. Although in the remaining 31 [50%] patients, symptoms didn't occur during the recording period, yet 19 [31%] patients recorded various types of arrhythmias