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78 Possible Causes for Biphasic T Wave

  • Hypercalcemia

    Abstract Familial hypocalciuric hypercalcemia (FHH) is an autosomal dominant disorder, associated with inactivating mutations of the calcium-sensing receptor (CaSR). To evaluate the functional significance of a CaSR mutation, identified in a young infant who presented with hypercalcemia and hypocalciuria. The CaSR gene[…][ncbi.nlm.nih.gov]

  • Brugada Syndrome

    […] amplitude 2 mm (or mV) at peak AND ST Elevation 1 mm above baseline, gradually down-sloping AND Positive or biphasic T Wave Type 3 Right precordial ST Elevation[fpnotebook.com] ; type 2—J point elevation 2 mm with gradual ST-segment descent followed by a positive or biphasic T-wave (saddle back configuration); and type 3—ST-segment elevation The[acc.org] Type 2: It has 2 mm J-point elevation, 1 mm ST-segment elevation and a saddleback appearance, followed by a positive or biphasic T-wave.[medcraveonline.com]

  • Phencyclidine Intoxication

    Cardiac panel demonstrated normal troponin T levels. Electrocardiogram showed sinus rhythm with new deep biphasic T-wave inversions in anterolateral leads.[ncbi.nlm.nih.gov]

  • Idiopathic Ventricular Fibrillation, Non-Brugada Type

    T-wave.[thefreelibrary.com] Type 2 ST-segment elevation has a saddleback appearance with 2 mm elevation at the highest and 1 mm at the lowest point, and either a positive or a biphasic T-wave.[tidsskriftet.no] Type 2 has a saddle back pattern with a least 2 mm J-point elevation and at least 1 mm ST elevation with a positive or biphasic T-wave.[bcs.com]

  • Diffuse Intraventricular Block

    T wave Short QT interval Increased u-wave amplitude Prolonged PR-interval Sinus bradycardia ECG changes typical for digoxin intoxication are: Bradyarrhythmias: AV block.[en.ecgpedia.org] ST-depression ECG changes typical for digoxin use (digoxin Lanoxin) are: Oddly shaped ST-depression with 'scooped out' appearance of the ST segment (see figure) Flat, negative or biphasic[en.ecgpedia.org]

  • Idiopathic Ventricular Fibrillation Not Type Brugada

    Type 2 ST-segment elevation has a saddleback appearance with 2 mm elevation at the highest and 1 mm at the lowest point, and either a positive or a biphasic T-wave.[tidsskriftet.no] Type 2 has a saddle back pattern with a least 2 mm J-point elevation and at least 1 mm ST elevation with a positive or biphasic T-wave.[bcs.com] (‘saddle-back’) T wave; and type 3, with 2 mm J-point elevation and mm ST-segment elevation, coved or saddle-back or both.[elsevier.pt]

  • Right Ventricular Hypertrophy

    wave morphologies is nonuniform, with predominantly positive T waves observed over the left ventricle and negative or biphasic T waves observed over the right ventricle.[ncbi.nlm.nih.gov] T wave inversion in inferior leads and V1 could be due to right ventricular hypertrophy itself. RVH in this case is type A with dominant R in V1 and deep S in V6.[cardiophile.org] The T waves were predominantly positive over the left ventricular epicardium and negative or biphasic over the right ventricular epicardium.[ncbi.nlm.nih.gov]

  • Lateral Wall Myocardial Infarction

    Left main coronary artery occlusion : widespread ST depression with ST elevation in aVR V1 Wellens syndrome : deep precordial T wave inversions or biphasic T waves in V2-3[lifeinthefastlane.com] Clinical Pearl Wellen’s syndrome: Wellen’s syndrome is a pattern of deeply inverted or biphasic T-waves in V2-V3.[cdemcurriculum.com] Biphasic/inverted T waves in V1-5. Poor R wave progression (R wave height 3mm in V3). Abnormal Q waves and T-wave inversion in I and aVL.[lifeinthefastlane.com]

  • Digoxin

    T-wave changes The most common T-wave abnormality is a biphasic T wave with an initial negative deflection and terminal positive deflection.[lifeinthefastlane.com] . - Flattened, negative or biphasic T waves. - QT interval shortening. - U wave amplitude may increase.[metealpaslan.com] The initial portion of the T-wave may be negative but the latter portion is mostly positive (thus the T-wave may appear biphasic/diphasic).[ecgwaves.com]

  • Myxomatous Mitral Valve Prolapse 3

    T waves Nonspecific ST-segment changes Arrhythmias Chest X-ray Normal Thoracic abnormalities (e.g., scoliosis) Treatment None (reassurance) Endocarditis prophylaxis Beta[echocardiology.org] […] click (due to sudden tensing of chordae tendineae) with or without systolic murmur (due to mitral regurgitation) Electrocardiogram Normal (in asymptomatic patients) Inverted/biphasic[echocardiology.org]

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