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40 Possible Causes for Left Axis Deviation, Short PR Interval, T Wave Inversion

  • Hypertrophic Cardiomyopathy

    ECG: Findings also may include right or left axis deviation, conduction abnormalities, sinus bradycardia with ectopic atrial rhythm and atrial enlargement.[patient.info] The most peculiar electrocardiogram findings are giant T-waves inversion in the precordial leads with left ventricular (LV) hypertrophy.[ncbi.nlm.nih.gov] PR interval ( First-degree (PR 0.21 s, not shortening with hyperventilation), second-degree, or third-degree atrioventricular block To assess whether the changing pattern[doi.org]

  • Right Bundle Branch Block

    LV) anterior wall thinning, n 3), and RBBB LAFB (RBBB with left axis deviation without LV anterior wall thinning n 2).[ncbi.nlm.nih.gov] [ems12lead.com] T Wave T Wave Inversion [medrevise.co.uk] T Wave T Wave Inversion Delayed activation of the right ventricle also gives rise to secondary repolarization abnormalities[symptoma.com] PR interval) and incomplete right bundle branch block (IRBBB).[ncbi.nlm.nih.gov]

  • Familial Progressive Cardiac Conduction Defect

    There was a left bundle branch block in both and a left axis duration in 3M and right axis deviation in NM.[jpma.org.pk] ECG T-wave inversion in right precordial leads (V 2 and V 3 ) 2. SAECG Late potentials seen on signal-averaged ECG 3.[geneticheartdisease.org] After two years, the rhythm of 3M deteriorated and he developed a first degree heart block, irregular heart rhythm with atrial extra systoles in addition to the left bundle[jpma.org.pk]

  • Myocardial Infarction

    Response to ECG Challenge This ECG shows sinus rhythm with left-axis deviation in the frontal plane (left anterior hemiblock) with notches in the S wave, a broad R S in V[circ.ahajournals.org] ST segment depression and T wave inversion are associated with subendocardial infarction.[histopathology-india.net] 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.[lifeinthefastlane.com]

  • Chronic Obstructive Pulmonary Disease

    One definite myocardial infarction and one patient with acute Twave inversion and hyperglycemia suggestive of a myocardial infarction were reported among 97 patients receiving[doi.org]

  • Left Bundle Branch Block

    Left bundle branch block is usually associated with normal or left axis deviation.[ncbi.nlm.nih.gov] The precordial leads in these patients will demonstrate alarmingly deep, symmetrical T-wave inversions.[ncbi.nlm.nih.gov] On superficial evaluation, the ECGs suggest the presence of an alternating bundle branch block, but on a closer look it is seen that the PR intervals of the RBBB morphology[casesjournal.biomedcentral.com]

  • Left Posterior Fascicular Block

    Verapamil-sensitive, idiopathic left ventricular tachycardia (ILVT) with right bundle branch block configuration and left-axis deviation is known to be due to re-entry mechanism[ncbi.nlm.nih.gov] T-wave inversion may occur in inferior leads and simulate post-ischemic T-waves.[ecgwaves.com] Bundle branch block with short PR interval in healthy young people prone to paroxysmal tachycardia.[books.google.com]

  • Ebstein Malformation

    Thus, left-axis deviation is the rule.[doi.org] […] as a prolonged PR-interval low amplitude QRS complexes in the right precordial leads atypical right bundle branch block T wave inversion in V1-V4 and Q waves in V1-V4 and[en.wikipedia.org] The classic WPW ECG pattern consists of : A short PR interval (rapid AV conduction through the accessory pathway) Delta wave (initial slow ventricular activation due to fiber[pedclerk.bsd.uchicago.edu]

  • Preexcitation Syndrome

    Additional ECG clues to diagnosis of left ventricular hypertrophy are left axis deviation, increased QRS duration and the presence of left atrial enlargement.[web.archive.org] Since ventricular depolarisation is abnormal, ventricular repolarisation is also abnormal and ST-segment depression and/or T wave inversion may be seen.[frca.co.uk] The classic electrocardiogram in Wolff-Parkinson-White (WPW) syndrome is characterized by a short PR interval and prolonged QRS duration in the presence of sinus rhythm with[ncbi.nlm.nih.gov]

  • Lown-Ganong-Levine Syndrome

    deviation , Left axis deviation ) · QT ( Short QT syndrome ) · T ( T wave alternans ) · ST ( Osborn wave , ST elevation , ST depression ) Cardiomegaly Ventricular hypertrophy[dictionnaire.sensagent.leparisien.fr] Since ventricular depolarisation is abnormal, ventricular repolarisation is also abnormal and ST-segment depression and/or T wave inversion may be seen.[frca.co.uk] The PR interval is short. Click here for a more detailed ECG ECG 3. Short PR interval in a 7 years-old boy.[metealpaslan.com]

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