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148 Possible Causes for Flattened T Wave, Slow Pulse

  • 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] Excessive vagal effects of digoxin in resting subjects may cause the bradycardia found in these in patients in the absence of digitalis toxicity.[ncbi.nlm.nih.gov] The earliest signs of toxicity in the newborn are undue slowing of the pulse rate (bradycardia), sinoatrial arrest and prolongation of the PR Interval (A Collins Abrams, 2006[rn.com]

  • Lithium Toxicity

    Cardiovascular side effects are usually mild and manifest as nonspecific ECG changes, such as ST-T flattening and T-wave inversion.[calpoison.org] We are reporting a patient who was on lithium for bipolar disorder and was admitted with a history of sudden collapse following vomiting, and sinus bradycardia with ST-T changes[ncbi.nlm.nih.gov] The most common electrocardiographic finding is T-wave flattening.[emedicine.medscape.com]

  • Digoxin

    , inverted, or biphasic T waves .[lifeinthefastlane.com] OBJECTIVE: To describe the development of bradycardia during sedation with dexmedetomidine in a patient concurrently receiving digoxin. DESIGN: Case report.[ncbi.nlm.nih.gov] . - Flattened, negative or biphasic T waves. - QT interval shortening. - U wave amplitude may increase.[metealpaslan.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] This case provides the first evidence to suggest that a quinidine-induced long QTU interval and torsade de pointes may be related to bradycardia-dependent early afterdepolarizations[ncbi.nlm.nih.gov] […] associated with quinidine was consistently greater than that associated with any of a variety of alternative antiarrhythmics Acute rheumatic fever, acute thyrotoxicosis, bradycardia[reference.medscape.com]

  • Digitalis

    pulse, tremors, unusual color visions, convulsions Toxic Principle: Cardiac or steroid glycosides Severity: HIGHLY TOXIC, MAY BE FATAL IF EATEN![plants.ces.ncsu.edu] pulse, even as slow as 35 in a minute, cold sweats, convulsions, syncope (unconsciousness), death."[aaas.org] Signs of foxglove poisoning include stomach upset, small eye pupils, blurred vision, strong slow pulse, nausea, vomiting, dizziness, excessive urination, fatigue, muscle weakness[emedicinehealth.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] Often present as hypotension and bradycardia, hypoventilation, hyponatremia, and hypoglycemia, often with concomitant adrenal insufficiency.[errolozdalga.com] Cardiovascular Cardiac contractility is impaired, leading to reduced stroke volume, low cardiac output, bradycardia and sometimes hypotension. [6] Reduced stroke volume in[emedicine.com]

  • Hypokalemia

    […] than the T wave. flattening of the T wave.[healio.com] An ECG demonstrated sinus bradycardia, ST-segment depression, T-wave flattening, U-wave, and long-QTc. Symmetric carpal and pedal spasms were observed.[ncbi.nlm.nih.gov] Furthermore, hypokalemia affects automaticity of the pacemaker cells and leads to multiple arrhythmias such as sinus bradycardia, atrioventricular block, atrial flutter and[meds.queensu.ca]

  • Accidental Hypothermia

    In hypercalcemia, the ECG shows a shortened QT interval, flattened T waves and QRS widening at very high levels. 4. Atrial fibrillation.[foamcast.org] Abstract A 35-year-old schizophrenic patient was admitted to the Coronary Care Unit with shock, bradycardia and ST-T changes mimicking acute myocardial infarction.[ncbi.nlm.nih.gov] Additional findings included atrial fibrillation, severe sinus bradycardia, and prominent J (Osborn) waves.[ncbi.nlm.nih.gov]

  • 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] […] difficulties Hypomagnesemia Peripheral vasodilatation, paralysis, no deep tendon reflexes, coma, lethargy, respiratory depression, cardiac arrest if severe, hypotension, bradycardia[memorize.com] Sinus bradycardia. Sinoatrial (SA) block. Ventricular fibrillation. 3.[ecgwaves.com]

  • Myxedema Coma

    Electrocardiographic findings may include bradycardia, varying degrees of block, low voltage, nonspecific ST-segment changes, flattened or inverted T waves, prolonged Q-T[emedicine.medscape.com] […] heart rate, slow pulse and confusion.[symptoma.com] Other findings include low voltage, flattening or inversion of the T waves, and prolongation of the PR interval.[emjournal.net]

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