Rheumatic mitral stenosis with Ebstein anomaly of tricuspid valve.
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Biomedical subjects
Publications and source records attributed to R K Gokhroo.
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Ventricular tachycardia and ventricular fibrillation are very frequent during transvenous pacing in the presence of acute right ventricular infarction. An acceptable pacing threshold is not usually achieved. A relatively high pacing threshold should, therefore, be accepted in these cases with minimum catheter manipulation. Invisible or very small pacing spikes, increased time intervals between the spike and paced QRS, atypical QRS configurations and sensing failure are frequent in these cases.
An echocardiographically documented case of right ventricular infarction is reported. Electrocardiographic diagnosis was masked by concomitant true posterior left ventricular infarction. This case highlights an important limitation of electrocardiography in diagnosing right ventricular infarction.
Two cases of acute right ventricular infarction associated with acute extensive anterior myocardial infarction in the absence of inferior and/or posterior left ventricular infarction are presented. Such a combination is likely to occur from acute occlusion of the left anterior descending artery in the face of severe narrowing of the infundibular (conus) artery rather than from acute occlusion of the right coronary artery.
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