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65 Possible Causes for Flattened T Wave, Supraventricular Tachycardia

  • Mitral Valve Prolapse

    Abstract A 25-year-old man with acquired Bartter's syndrome, mitral valve prolapse, and supraventricular tachycardia secondary to a low atrial focus was diagnosed with asthma[] The proband presented with infective mastoiditis, bacterial endocarditis, and a supraventricular tachycardia.[] , multifocal ventricular premature beats, ventricular triplets, supraventricular tachycardia, heart block, or bradyarrhythmia) [ 31 ].[]

  • Digitalis Toxicity

    Electrocardiographic signs of digitalis toxicity include first-degree atrioventricular (A-V) block with depressed S-T segments, shortened Q-T intervals, and flattened T waves[] Digitalis is a cardiac glycoside frequently used in the therapy of chronic heart failure, reentrant supraventricular tachycardia and atrial fibrillation.[] The electrocardiogram revealed supraventricular bidirectional tachycardia, a rare but characteristic arrhythmia associated with digitalis toxicity.[]

  • Acute Pericarditis

    Stages 2, 3, and 4 ECG findings consist of ST-segment normalization and T wave flattening, T wave inversion, and normalization of T waves, respectively.[] tachycardia Swave tall R wave upright vector ventricular tachycardia voltage VPCs wave axis wave inversion waves in leads wide QRS WPW syndrome Bibliografische Informationen[] flatten; stage 3: symmetric T wave inversion throughout ECG; and stage 4: ECG normalization 2 .[]

  • Cardiomyopathy due to Anthracyclines

    Sinus tachycardia is frequent in this instance, but palpitations may be also caused by supraventricular, junctional or ventricular tachycardia.[] , junctional or ventricular tachycardia.[] […] abnormalities in 20- 30% of patients, including nonspecific ST and T wave changes and decreased QRS voltage in cases with associated pericarditis, QT interval prolongation or supraventricular[]

  • Pericarditis

    (1 to 3 weeks) Stage 3 – flattened T waves become inverted (3 to several weeks) Stage 4 – ECG returns to normal (several weeks onwards) NB.[] Stage 1 – widespread STE and PR depression with reciprocal changes in aVR (occurs during the first two weeks) Stage 2 – normalization of ST changes; generalized T wave flattening[] Stage II: ST segment elevation and PR depression have resolved and T waves may be normal or flattened. Stage III: T waves are inverted, and the ECG is otherwise normal.[]

  • Hypokalemia

    […] than the T wave. flattening of the T wave.[] tachycardia atrial fibrillation ventricular tachycardia Torsades des pointes Lab Investigations Lab investigations should include: CBC (to examine for leukemia or other leukocytic[] T wave of the electrocardiogram, and muscle weakness.[]

  • Thyrotoxic Heart Disease

    Hypothyroidism and the Heart ECG Changes in Hypothyroidism Sinus bradycardia T wave flattening T wave inversion ST segment depression Low QRS voltages QTc is usually normal[] The most common cardiac manifestations of thyrotoxicosis are resting sinus tachycardia, supraventricular tachycardia including atrial fibrillation and atrial flutter with[] […] signs include Cardiac arrhythmia Supraventricular arrhythmias such as atrial fibrillation and atrial flutter are more common Ventricular tachycardia Neurologic signs include[]

  • Incessant Infant Ventricular Tachycardia

    ST segment returns to normal within 1-3 weeks, along with flattening of the T waves.[] Case Report: She was first documented supraventricular tachycardia (SVT) and WPW syndrome just after her delivery.[] Supraventricular tachycardia in a neonate with Wolff-Parkinson-White syndrome.[]

  • Tricyclic Antidepressant Overdose

    The patient’s EKG shows a widening of the QRS resulting in a wide QT interval with T wave inversion and/or flattening in various leads.[] Other arrhythmias include tachycardia, supraventricular tachycardia, premature atrial and ventricular contractions, VT, VF, and asystole.[] […] due to atrioventricular block) and tachyarrhythmias (supraventricular and ventricular) may occur.[]

  • Apathetic Thyrotoxicosis with Thyrotoxic Crisis

    EKG may reveal Sinus Bradycardia Prolonged QT interval Low voltage Flattened or inverted T waves 36 Myxedema Treatment (see table 216-5 below) No prospective studies on optimal[] The most common cardiac manifestations of thyrotoxicosis are resting sinus tachycardia, supraventricular tachycardia including atrial fibrillation and atrial flutter with[] The most common cardiovascular manifestation is sinus tachycardia, often associated with palpitations and sometimes due to supraventricular tachycardia.[]

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