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Biomedical subjects

D H Spodick

Publications and source records attributed to D H Spodick.

At least 271 records · Page 15Linked to original sources
PubMed1984

Frequency of arrhythmias in acute pericarditis determined by Holter monitoring.

Twenty-four-hour electrocardiographic monitoring in 49 of 50 consecutive patients with acute pericarditis and sinus rhythm at onset (29 with etiologic or unrelated heart disease) disclosed 4 instances of intermittent supraventricular tachycardia, 2 in patients in whom tamponade developed and 1 in a patient with acute myocardial infarction. Eight other arrhythmias, also nonsustained. occurred exclusively in patients with heart disease. Ectopic beats without other arrhythmia occurred in 10 patients without heart disease, but were infrequent (1 to 30 per hour) in 9. Ectopic beats without other arrhythmias occurred in 19 patients with heart disease but were infrequent in 16. Pericarditis per se does not appear to be a recognizable arrhythmogenic influence. As a corollary, significant rhythm disturbance--particularly continuous-beat arrhythmias--during acute pericarditis implies a cardiac abnormality.

Acute Disease↗
PubMed1984

Association of acute respiratory symptoms with onset of acute myocardial infarction: prospective investigation of 150 consecutive patients and matched control patients.

Among 150 prospectively investigated patients with acute myocardial infarction (MI) and 150 control patients matched for age, sex and admission date, acute respiratory symptoms occurred in 42 MI patients and in 23 control patients (p less than 0.02). Matched-pairs analysis gave an odds ratio for a respiratory syndrome of 2.2:1 for MI. The statistically significant association of minor respiratory syndromes and the onset of MI must be further investigated to determine whether there is any pathogenetic relation of respiratory symptoms, presumably virally induced, to the onset of MI.

Acute Disease↗
PubMed1984

Echocardiographic study of left ventricular wall motion in mitral valve prolapse.

A distinct late systolic "dip" in ventricular wall motion is described in patients with mitral valve prolapse. Sixty patients were referred because of clinically suspected mitral valve prolapse. Thirty of these patients had M-mode echocardiograms showing mitral valve prolapse. An abnormal late systolic "dip" in posterior wall motion was present at chordal level in 9 of 30 patients with prolapse but none of 27 patients without prolapse. All of these nine patients had late systolic prolapse and greater mean velocity of circumferential fiber shortening than 21 patients with prolapse but without the "dip" at chordal level (1.6 +/- 0.3 vs 1.3 +/- 0.2, p less than 0.02). Two of these nine patients had several episodes of transient cerebral ischemic attacks. Direct mural compression by the posterior chordae is offered as a possible mechanism for this echographic wall motion finding.

Adolescent↗
PubMed1984

Kussmaul's sign.

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Cardiac Tamponade↗
PubMed1984

Dynamic effects of pericardial effusion without tamponade. Respiratory responses in the absence of pulsus paradoxus.

Fourteen patients with pericardial effusions without clinical signs of tamponade (pulsus paradoxus or other cardiac and circulatory abnormalities) showed inspiratory reductions in echocardiographic left ventricular internal diastolic diameter which correlated directly with the exaggerated respiratory changes in systolic time intervals (both pre-ejection period and left ventricular ejection time). Excessive pericardial fluid affects left ventricular function even in the absence of clinical manifestations.

Echocardiography↗