Adams-Stokes syndrome

Johansson, Bengt W.

doi:10.1016/0002-9149(61)90181-3

Cited by 56 publications

(2 citation statements)

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“…That overdrive suppression of subsidiary ventricular pacemakers by spontaneous paroxysmal functional or ventricular tachycardia can occur has been clearly demonstrated [10,171 . The three patients with congenital heart block who had fatal syncopal episodes described by Molthan et al [171 illustrate the phenomenon well .…”

Section: Discussionmentioning

confidence: 99%

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Heart block in children

et al. 1982

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To evaluate subsidiary ventricular pacemaker function in 20 children with congenital or surgically induced complete heart block, we measured recovery times following overdrive ventricular pacing. Long-term ECG tape recordings were performed in eight of these children. Ages ranged from 1 month to 17 years. The resting R-R intervals ranged from 595 to 1,740 msec. The ventricles were paced at various cycle lengths of 400 to 1,000 msec with either transvenous electrode catheters or surgically implanted epicardial electrodes. His bundle recordings showed that the site of block did not allow separation of patients with symptoms from those without symptoms. Prolonged recovery times were present in patients with block above the His bundle recording site who had symptoms of syncope or dizziness, as well as in patients who had a wide QRS. However, some asymptomatic patient with heart block above the His bundle recording site also had long recovery times. None of the asymptomatic patients who had ECG tape recordings had paroxysmal tachycardia in more than 300 hours of recordings. However, one symptomatic patient with congenital heart block and a prolonged recovery time had brief episodes of paroxysmal ventricular tachycardia that produced no symptoms at the time of recording. The results suggest that the coexistence of prolonged recovery times and paroxysmal tachycardia may be predisposing factors to the development of symptoms in patients with complete heart block. We believe that further electrophysiologic investigation of this possibility is warranted in patients with heart block.

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Section: Discussionmentioning

confidence: 99%

“…

S UMMARY . A review of the types of dysrhythmia observed (ie, tachycardia, asystole, or a combination) during Stokes-Adams attacks leaves little cause to doubt this conclusion [10, 17] .

Long-term ECG tape recordings were performed in eight of these children .…”

mentioning

confidence: 99%