Disturbances of rate, rhythm and conduction in acute myocardial infarction

Imperial, Elias S.; Carballo, Rodolfo; Zimmerman, Henry A.

doi:10.1016/0002-9149(60)90005-9

Cited by 64 publications

(19 citation statements)

References 13 publications

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“…The incidence of bundle-branch block in acute infarction varies from 7.8% (Imperial et al, 1960) to 13% (Bauer et al, 1965) Bauer et al (1965) the incidence of right and left bundlebranch block was about equal. Right bundle-branch block is more common than left bundle-branch block, probably because the right bundle is a long slender discrete structure, vulnerable to damage by small areas of infarction, whereas the left bundle divides early, and therefore a larger area of damage is necessary to cause block.…”

Section: Discussionmentioning

confidence: 93%

Bundle-branch Block in Acute Myocardial Infarction

Hunt¹,

Sloman²

1969

BMJ

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Summary: Bundle-branch block was present in 41 out of 415 patients admitted to a coronary care unit with acute myocardial infarction and was associated with more severe clinical infarction and an overall mortality of 56%. It is probable that permanent bundle-branch block develops soon after infarction and that most of the patients with permanent block have had clinically severe infarction. Bundle-branch block developing during observation is usually transient, and the later it develops the sooner it resolves.Analysis of the arrhythmias and clinical course of the patients suggests that those with bundle-branch block and shock and those in whom bundle-branch block is present on admission may benefit from the use of a demand pacemaker attached to a transvenous pacemaker catheter, though the dividends of pacing may be small and the risks of the procedure significant Post-mortem examination of 17 hearts showed extensive infarction, usually involving the septum, and severe coronary artery disease.

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Section: Discussionmentioning

confidence: 93%

Bundle-branch Block in Acute Myocardial Infarction

Hunt¹,

Sloman²

1969

BMJ

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“…Thus Rosenbaum and Levine (1941), in a retrospective study of 208 unmonitored patients, found the incidence of arrhythmias to be 38% and the mortality 42%. Imperial et al (1960), in a series of 173 patients, found an incidence of 73% and a mortality of 45%; and Julian et al (1964a), in a study of 100 patients, found an incidence of 95%/,, and a mortality of 60%. In the present series the incidence of arrhythmias was 82.5 % and the mortality of patients with major arrhythmias only was 51% (Table IV).…”

Section: Mortality and Arrhythmiasmentioning

confidence: 92%

“…It is therefore not surprising that the reported incidence of monitored arrhythmias in myocardial infarction varies between 73 and 95% (Imperial et al, 1960;Spann et al, 1964;Julian et al, 1964a;Robinson et al, 1964). The reported mortality associated with arrhythmias will be less the greater the frequency with which they are recorded.…”

Section: Incidence Of Arrhytbnmiasmentioning

confidence: 99%

“…It is claimed that the mortality of myocardial infarction increases when accompanied by arrhythmias (Rosenbaum and Levine, 1941;Imperial et al, 1960;Julian et al, 1964b). The prognosis of myocardial infarction when accompanied by specific arrhythmias has so far been determined without allowing for variables such as the severity of the patient's illness and the presence of other additional arrhythmias.…”

mentioning

confidence: 99%

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Assessment of arrhythmias in myocardial infarction.

Stock¹,

Goble²,

Sloman³

1967

BMJ

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“…A considerable proportion of the deaths in the acute stage of myocardial infarction is due to rhythmic disturbances, par ticularly ventricular fibrillation (25). The frequency of such dis turbances varies considerably in the literature and ranges from 14.3 per cent to 98 per cent (14). Some say that corticosteroids decrease the rate of disturbances of rhythm and conduction (10,26,20).…”

mentioning

confidence: 99%