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114 Possible Causes for T Wave Inversion, Wide QRS Complex

  • Right Bundle Branch Block

    [] T Wave T Wave Inversion [] T Wave T Wave Inversion Delayed activation of the right ventricle also gives rise to secondary repolarization abnormalities[] Typical RSR’ pattern (‘M’-shaped QRS) in V1 Wide slurred S wave in lead I Typical pattern of T-wave inversion in V1-3 with RBBB Causes of Right Bundle Branch Block Right ventricular[] These are the criteria for multifocal atrial tachycardia MAT, also known as chaotic atrial rhythm,1 chaotic atrial tachycardia,2 and chaotic atrial mechanism.3 The wide QRS[]

  • Arrhythmogenic Right Ventricular Dysplasia

    The patient consulted for mid-chest discomfort, dizziness, and palpitations; the electrocardiogram showed regular, monomonphic wide QRS complex tachycardia and a left bundle-banch[] The patient had T-wave inversion in the inferior ECG leads and no history of arrhythmias.[] During the episodes of ventricular tachycardia, the heart rate ranged from 120 to 180 beats/min with wide QRS complexes and left bundle branch block (broad QRS with notch[]

  • Coronary Ischemia

    The presenting electrocardiography (ECG) revealed sinus rhythm and T wave inversion on inferolateral wall.[] Step 6: QRS complex – If Q waves are prominent, consider myocardial infarction. Wide QRS complexes denote bundle branch block or pre-excitation.[] Other changes may also occur over time, especially with the T wave (e.g., T wave inversion).[]

  • Myocardial Infarction

    ST segment depression and T wave inversion are associated with subendocardial infarction.[] Biphasic/inverted T waves in V1-5. Poor R wave progression (R wave height 3mm in V3). Abnormal Q waves and T-wave inversion in I and aVL.[] Features may initially be normal but abnormalities include new ST-segment elevation; initially peaked T waves and then T-wave inversion; new Q waves; new conduction defects[]

  • Acute Myocardial Infarction

    Features may initially be normal but abnormalities include new ST-segment elevation; initially peaked T waves and then T-wave inversion; new Q waves; new conduction defects[] This is because LBBB alone can produce signs that may be confused with those of infarction: deep QS waves in the right chest leads and ST depression and T wave inversion in[]

  • Electrolyte Imbalance

    T-waves become wider with lower amplitude. T-wave inversion may occur in severe hypokalaemia.[] Patients with left ventricular hypertrophy may instead display normalization of secondary T-wave inversions (lead V5, V6, aVL, I).[] ST segment depression develops and may, along with T-wave inversions, simulate ischaemia. P-wave amplitude, P-wave duration and PR interval may all increase.[]

  • Quinidine

    Other ECG effects include a wide notched P wave, wide QRS complex, depressed ST segment, and U waves.[]

  • Digoxin

    BACKGROUND: Digoxin is a widely used drug for ventricular rate control in patients with atrial fibrillation (AF), despite a scarcity of randomised trial data. We studied the use and outcomes of digoxin in patients in the Rivaroxaban Once Daily Oral Direct Factor Xa Inhibition Compared with Vitamin K Antagonism for[…][]

  • Phenothiazine

    Rooted in the early days of organic dye chemistry, the phenothiazine structure and its derivatives have since held a prominent place in pharmacology and biomedicine. Initially used for histochemical stains of plasmodia by Paul Ehrlich, anthelmintic and antibiotic properties of phenothiazines were globally exploited in the[…][]

  • Left Bundle Branch Block

    However, in some patients, LBBB may vary with heart rate, and during episodes of AF in LBBB, aberrant ventricular conduction, or wide QRS complex tachycardia (Ashman beats[] The precordial leads in these patients will demonstrate alarmingly deep, symmetrical T-wave inversions.[] These altered electrical forces produce a wide QRS complex (greater than 0.12 seconds in duration) with an abnormal morphology.[]

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