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99 Possible Causes for Flattened T Wave, Prolonged QT Interval

  • Hypokalemia

    […] than the T wave. flattening of the T wave.[] SCN5A-1103Y was associated with QT interval prolongation (2.7 milliseconds; P .001) and potentiated the effect of hypokalemia on QT interval prolongation (14.6 milliseconds[] T wave of the electrocardiogram, and muscle weakness.[]

  • Quinidine

    T waves (without dysrhythmia), have occurred frequently and hypotension and ventricular tachycardia have occurred occasionally in patients receiving IV quinidine gluconate[] During the quinidine infusion, the patient experienced a prolonged QT interval and an episode of supraventricular tachycardia.[] A prolonged QT interval, development of torsades de pointes, and a serum quinidine concentration of 3.1 micrograms/ml contributed to a decision favoring permanent pacemaker[]

  • Electrolyte Imbalance

    Clinical signs of hyperkalaemia include muscle weakness, hypotension , bradycardia and loss of cardiac output, and ECG changes may include peaked T waves and flattened P waves[] Prolonged QT interval D. Shortened ST segment 68. A. Prominent U waves B. Prolonged PR interval C. Depressed ST segment D. Widened QRS complexes 69. A. Alcoholism B.[]

  • Mitral Valve Prolapse

    Her post-resuscitation ECG showed a prolonged QT interval which progressively normalised over the same day.[] Individuals with MVP may be more prone to ventricular arrhythmias due to prolonged QTd, QTcd, and Tp-e interval and increased Tp-e/QT and Tp-e/QTc ratios.[] QT interval, unexplained syncope or aortic root enlargement should be restricted from competitive sports. 2 FOLLOW-UP Asymptomatic patients with MVP and mild or no mitral[]

  • Phenothiazine

    Phenothiazine, 98 % MDL MFCD00005015 EINECS 202-196-5 Chemische Eigenschaften Formel C 1 2 H 9 NS Molmasse 199.28 Schmelzpunkt 182-186 Siedepunkt 235 /21mm Storage & Sensitivity Store under Argon. Light Sensitive. Ambient temperatures. Löslichkeit Soluble in water (0.13 mg/ml at 23 C), ethanol, acetone, and ether.[…][]

  • Adrenal Insufficiency

    If potassium is above 7.0 mmol/L and hyperkalaemic ECG changes are present (eg. peaked T waves wide QRS complex flattened P waves), treat with either of the following: give[] […] of the QT interval.[] However, reports on adrenal insufficiency in which the QT interval was sufficiently prolonged to cause Torsades de Pointes are rare.[]

  • Hypokalemic Periodic Paralysis

    Some electrocardiographic (ECG) findings associated with hypokalemia include flattened or inverted T waves, a U wave and ST depression.[] QT interval.[] ), ST depressions, and a prolonged QT-U interval at 440 ms.[]

  • Hypomagnesemia

    t-waves, C hvostek’s sign (positive which goes along with hypocalcemia) H ypertension, h yperreflexia I nvoluntary movements N ausea G I issues (decreased bowel sounds and[] EKG shows a prolonged PR and QT interval.[] Characteristic ECG changes include progressive QRS complex widening, PR interval prolongation, and flattened T waves.[]

  • Long QT Syndrome 6

    The other reasons are compounding factors such as heart rate, presence of U-waves, and flattened T-waves. 5 Drug-induced torsades de pointes is a significant cause of morbidity[] Get Update Overview Congenital long QT syndrome is electrocardiographically characterized by a prolonged QT interval and polymorphic ventricular arrhythmias (torsade de pointes[] Digoxin produces a relative shortening of the QT interval, along with downward sloping ST segment depression in the lateral leads (‘reverse tick’ appearance), widespread T-wave[]

  • Long QT Syndrome 13

    The other reasons are compounding factors such as heart rate, presence of U-waves, and flattened T-waves. 5 Drug-induced torsades de pointes is a significant cause of morbidity[] prolong the QT interval, but has no recognized risk of occurrence of TdP.[] […] known whether some older drugs may prolong the QT interval.[]

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