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12 Possible Causes for AV Block Mobitz I, Flattened T Wave

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  • 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]

  • 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]

  • Electrolytes Abnormal

    Hypokalemia Electrocardiographic findings associated with Hypokalemia are flattened T waves, ST segment depression and prolongation of the QT interval.[eurekaselect.com] Electrocardiographic (ECG) changes can occur and include flattening or inversion of T waves, prominent U waves, and ST-segment depression and arrhythmias.[musculoskeletalkey.com] EKG changes can include increased amplitude and width of P wave, T wave flattening and inversion, prominent U waves and apparent long QT intervals due to merging of the T[cdemcurriculum.com]

  • Second Degree Atrioventricular Block

    This patient has some minor flattening of the ST segments in Lead III, but the T wave inversion can be explained by the RBBB.[ecgguru.com] […] either Mobitz I (Wenckebach; see the image below) or Mobitz II AV block.[emedicine.medscape.com] However, Mobitz I AV block may be significantly symptomatic. When a Mobitz I block occurs during an acute MI, mortality is increased.[emedicine.medscape.com]

  • First-Degree Atrioventricular Block

    There are tall, sharply-peaked T waves in many leads. The P waves have not yet widened and lost amplitude, but they will soon flatten out and disappear.[ecgguru.com] AV Block Mobitz I Interpretation: 2nd Degree AV Block Mobitz I 2nd Degree AV Block Mobitz II NOTE: There is NO underlying rhythm with the 2nd Degree AV Block Mobitz II Interpretation[unm.edu] Abstract A case is presented in which an elderly patient with preexisting first degree atrioventricular (AV) block progressed to second degree Mobitz Type I AV block during[ncbi.nlm.nih.gov]

  • Incessant Infant Ventricular Tachycardia

    ST segment returns to normal within 1-3 weeks, along with flattening of the T waves.[lifeinthefastlane.com] Mobitz type I 2nd-degree AV block may be physiologic in younger and more athletic patients.[merckmanuals.com] Mobitz type I 2nd-degree atrioventricular block.[merckmanuals.com]

  • Diffuse Intraventricular Block

    wave causes of tall T waves include hyperkalaemia, hyperacute myocardial infarction and left bundle branch block causes of small, flattened or inverted T waves are numerous[ecglibrary.com] Long-Term Monitoring Patients with asymptomatic first-degree or Mobitz I atrioventricular (AV) block do not require long-term monitoring with repeated rhythm strips/electrocardiograms[emedicine.medscape.com] T wave inversions and T wave flattening are sometimes present for no clear clinical reason, hence are referred to as “non-specific T wave abnormalities.” B.[clinicaladvisor.com]

  • Digoxin

    , inverted, or biphasic T waves .[lifeinthefastlane.com] AV blocks including the first degree block with widening of PR interval, second degree block (Mobitz type I being more common) and third degree block can also occur with digoxin[omicsonline.org] . - Flattened, negative or biphasic T waves. - QT interval shortening. - U wave amplitude may increase.[metealpaslan.com]

  • Athletic Heart Syndrome

    T waves, n (%) 7 (22) 4 (12) NS Clinical Findings With Long-Term Detraining Over the long-term follow-up period, none of the 40 detrained athletes had adverse cardiovascular[circ.ahajournals.org] First-degree AV block is the most common finding, followed by Mobitz type-I second-degree AV block.[escardio.org] (%) 14 (44) 4 (12) 0.01 Romhilt-Estes, n (%) 10 (31) 2 (6) 0.02 Incomplete RBBB, n (%) 19 (59) 14 (44) NS Early repolarization pattern, n (%) 11 (34) 8 (25) NS Inverted/flattened[circ.ahajournals.org]

  • Atrial Bigeminy

    […] notched, pointed, biphasic), or lost in the preceding T wave.[ekginterpretation.tripod.com] Mobitz type I second degree AV block usually exhibits the Wenckebach phenomenon of progressively lengthening PR intervals until the dropped QRS complex results in a pause.[journals.lww.com] P waves are premature (occuring earlier than the next expected P wave), upright, one precedes each QRS complex, often differ in shape from sinus P waves (may be flattened,[ekginterpretation.tripod.com]

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