Global T wave inversion
نویسندگان
چکیده
منابع مشابه
Global T-wave inversion in a 77-year-old woman.
77-year-old woman came to the emergency department with dyspnea and T-wave inversions that became deeper and more diffuse over the next 15 hours (Figure). T waves were inverted, in most leads symmetrically, in all leads except aVR and V1, and the QT interval (604 ms with a QTc of 643 ms) was markedly prolonged. Walder and Spodick described this electrocardiographic pattern as global T-wave inve...
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The genesis of the T wave of the electrocardiogram is ill understood. It represents ventricular repolarization, and is thus dependent on changes occurring at cell membrane level. It is the most labile component of the QRST complex and is affected by many physiol6gical, neuro-humoral, and physical factors in health, as well as being the most sensitive index of disease. One of the most interestin...
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A 45-year-old man presented with worsening left-sided, sharp pleuritic chest pain that began one week earlier. The pain started after a few days of dry coughing. It was initially located at the lateral chest wall, then spread to the midsubsternal area and the left axilla. The pain was associated with exertional shortness of breath and dizziness. The patient did not have fever, chills, sputum pr...
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Flecainide is used for pharmacological conversion of atrial fibrillation (AF), to maintain sinus rhythm in patients with paroxysmal AF and/or supraventricular tachycardia, or to prevent catecholaminergic polymorphic ventricular tachycardia (1, 2). However, flecainide has been shown to be proarrhythmic in vitro (3) and was associated with threefold increase in arrhythmic death in Cardiac Arrhyth...
متن کاملRespiratory T-Wave Inversion in a Patient With Chest Pain
T-wave inversion on electrocardiogram (ECG) is always a concerning finding as it is often associated with myocardial ischemia or ventricular strain. Respiratory variation in the T-wave morphology has been reported in the literature; however, the frequency of this observation remains unknown as this is not routinely evaluated. Although the exact physiological mechanisms underlying this ECG chang...
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ژورنال
عنوان ژورنال: Journal of the American College of Cardiology
سال: 1991
ISSN: 0735-1097
DOI: 10.1016/0735-1097(91)90635-m