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31 Possible Causes for Flattened T Wave, Prominent U Wave

  • Hypokalemia

    […] than the T wave. flattening of the T wave.[healio.com] prominent U waves require hospital admission.[physio-pedia.com] T wave of the electrocardiogram, and muscle weakness.[medical-dictionary.thefreedictionary.com]

  • Hypokalemic Periodic Paralysis

    Some electrocardiographic (ECG) findings associated with hypokalemia include flattened or inverted T waves, a U wave and ST depression.[flipper.diff.org] waves: Prominent Semilunar valve abnormalities Treatment Amiodarone Poor response to classical therapy Cardiac malformation: Occasional Episodic weakness : May segregate in[neuromuscular.wustl.edu] Due to prolonged repolarization of ventricular Purkinje fibers, a prominent U wave occurs, that is frequently superimposed upon the T wave and therefore produces the appearance[flipper.diff.org]

  • Digoxin

    , inverted, or biphasic T waves .[lifeinthefastlane.com] . - Flattened, negative or biphasic T waves. - QT interval shortening. - U wave amplitude may increase.[metealpaslan.com] The terminal positive deflection may be peaked, or have a prominent U wave superimposed upon it.[lifeinthefastlane.com]

  • 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[medical-dictionary.thefreedictionary.com]

  • Quinidine

    T waves (without dysrhythmia), have occurred frequently and hypotension and ventricular tachycardia have occurred occasionally in patients receiving IV quinidine gluconate[drugs.com] […] measures may be required. b While substantial cardiovascular toxicity generally has not occurred, ECG changes, including prolonged QT interval, widened QRS complex, and flattened[drugs.com]

  • Cushing's Disease

    Endocrine. 2016 Jun;52(3):481-7. doi: 10.1007/s12020-015-0601-2. Epub 2015 Apr 16. Author information 1 Department of Clinical and Experimental Medicine - Endocrinology Unit, University of Messina, Messina, Italy. 2 Department of Clinical and Experimental Medicine - Endocrinology Unit, University of Messina, Messina, Italy.[…][ncbi.nlm.nih.gov]

  • 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.[…][alfa.com]

  • 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[ausmed.com] We report a case of hyperkalemia, with concurrent hypocalcemia and hypomagnesemia resulting in (1) peaking of the T wave, (2) a prominent U wave, and (3) prolongation of the[ncbi.nlm.nih.gov] Widened T wave B. Prominent U wave C. Prolonged QT interval D. Shortened ST segment 68. A. Prominent U waves B. Prolonged PR interval C. Depressed ST segment D.[proprofs.com]

  • Myxedema

    Electrocardiographic findings may include bradycardia, varying degrees of block, low voltage, nonspecific ST-segment changes, flattened or inverted T waves, prolonged Q-T[emedicine.com]

  • Cardiodysrhythmic Potassium-Sensitive Periodic Paralysis

    , QRS widening, QT prolongation, and T wave flattening). [2] Electromyography shows changes similar to those encountered in myopathies (muscle diseases), with a reduced amplitude[en.wikipedia.org] U waves in V1–V4 at rest.[innovationsincrm.com] Therefore, although ECG changes should trigger urgent treatment, treatment decisions should not be based solely on the presence or absence of ECG changes. 32 Peaked T waves[aafp.org]

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