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111 Possible Causes for Dizziness, Flattened T Wave, Prolonged QT Interval

  • Hypokalemia

    Clinical features include transient periods of muscle weakness and tetany, dizziness, abdominal pains and constipation.[ncbi.nlm.nih.gov] T waves U waves Prolonged QT Interval Non-specific ST segment changes Note: Hypokalemia is a common predisposing condition for Torsades de Pointes Urine potassium level ([coreem.net] Changes include: U waves (most important; represents delayed ventricular repolarization) flattened or inverted T waves depressed ST segment prolonged QT interval Prolonged[sharinginhealth.ca]

  • Mitral Valve Prolapse

    In other cases, symptoms may include: Fast, pounding, or irregular heartbeat Chest pains Dizziness Fainting spells Shortness of breath Some people with mitral valve prolapse[fairview.org] Her post-resuscitation ECG showed a prolonged QT interval which progressively normalised over the same day.[ncbi.nlm.nih.gov] In some cases, patients claim fatigue, dizziness, chest pain, palpitations or breathing difficulties.[symptoma.com]

  • Subarachnoid Hemorrhage

    An aneurysm in the intracranial vertebral artery results in vertigo among other deficits.[symptoma.com] Electrocardiographic findings were as follows: inverted or flattened T waves (100%); QTc prolongation 0.45 seconds (90.0%); ST segment elevation (60.0%); and ST segment depression[ncbi.nlm.nih.gov] Other possible ECG abnormalities include prolongation of the QRS or QT intervals and peaking or deep, symmetric inversion of T waves.[merckmanuals.com]

  • Periodic Paralysis

    One month later, the patient presented with dizziness and behavioral symptoms, such as inappropriate laughter and anger.[ncbi.nlm.nih.gov] The ECG findings include: sinus rhythm with a rate of 70bpm Normal axis Flattened T waves with the presence of U waves. Normal QTc (Corrected QT) — Q2.[lifeinthefastlane.com] Andersen Tawil syndrome is a rare type of channelopathy characterized by the presence of periodic paralysis, cardiac arrhythmia (prolonged QT interval or ventricular arrhythmia[ncbi.nlm.nih.gov]

  • Phenothiazine

    […] balance trembling or shaking dizziness lip smacking or other uncontrollable movements difficulty urinating skin rash/discoloration.[addiction.com] During this time, check with your doctor if you notice dizziness, nausea and vomiting, stomach pain, trembling of the fingers and hands, or any of the following signs of tardive[mayoclinic.org] Common side effects include drowiness, headache, low blood pressure, blurred vision, and dizziness.[medicinenet.com]

  • Quinidine

    Rhinitis Angioedema Tinnitus Vertigo Dizziness Fatigue Hot sweaty skin Fever Rash Blurring of vision Dizziness Nausea Vomiting Diarrhea Abdominal pain Headache Impaired hearing[howmed.net] To report a case of Plasmodium falciparum malaria in which intravenous quinidine was used, resulting in a prolonged QT interval.[ncbi.nlm.nih.gov] Dizziness: NUEDEXTA may cause dizziness. Take precautions to reduce the risk of falls.[nuedextahcp.com]

  • Nortriptyline

    , electric shock-like sensations, sweating, nausea, insomnia, tremor, anxiety, restlessness, agitation, depressed mood, irritability, confusion, lethargy, and vertigo.[psychvisit.com] CV: tachycardia, hypertension, hypotension, MI, heart block, prolonged conduction time (elongation of QT and PR intervals, flattened T waves on ECG).[glowm.com] QT Interval On EKG Rash Ringing In The Ears Secondary Angle-Closure Glaucoma Seizures Serotonin Syndrome - Adverse Drug Interaction Stroke Sun-Sensitive Skin Swelling Of[webmd.com]

  • Adrenal Insufficiency

    Available data suggest that patients with PAI may be underreplaced with FC as symptoms and signs indicating chronic MC underreplacement, such as salt craving and postural dizziness[ncbi.nlm.nih.gov] 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[rch.org.au] […] of the QT interval.[ncbi.nlm.nih.gov]

  • Accidental Hypothermia

    The "Cardinal Presentations Section" provides quick and easy reference to differential diagnosis and directed testing for fever in the adult patient; dizziness and vertigo[books.google.de] In hypercalcemia, the ECG shows a shortened QT interval, flattened T waves and QRS widening at very high levels. 4. Atrial fibrillation.[foamcast.org] An increased PR interval, a widened QRS complex, and a prolonged QT interval signal progressing hypothermia.[nursingcenter.com]

  • Amoxapine

    Drowsiness, dizziness , difficulty urinating, dry mouth , constipation , headache , weakness , blurred vision , or changes in appetite/ weight may occur as your body gets[webmd.com] CV: edema, orthostatic hypotension, tachycardia, hypertension, palpitations, prolonged conduction time (elongation of QT and PR intervals, flattened T waves on ECG).[glowm.com] QT interval Acute recovery post-MI Cautions BPH, urinary/GI retention, incr IOP, hyperthyroidism, opne angle glaucoma, seizure d/o, brain tumor, respiratory impairment, hyperthyroidism[reference.medscape.com]

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