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22 Possible Causes for aVR, Cardiac Dyskinesia, T Wave Inversion

  • Acute Myocardial Infarction

    The main wave direction of QRS in lead aVR was positive and showed an extreme right axis deviation.[] 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[] His ECG showed ST-segment elevation in precordial (V2-6) and inferior leads (II, III, and aVF) and ST-segment depression in lead aVR.[]

  • Anterior Myocardial Infarction

    ST segment elevation in lead aVR with less ST segment elevation in lead V(1).[] wave inversion, suggesting evolved anterior wall myocardial infarction (AWMI).[] 3 height of R Wave Unless isolated in Lead III T Wave inversion Significant unless isolated to Lead III or Lead V1 T Wave must be at least 1 mm deep ST-T elevation ( 1mm[]

  • Myocardial Infarction

    ECG revealed a diminished R wave in V2-V4 with ST elevation in V2-V5 and in aVR. Biphasic T wave was seen in V2-V6.[] Electrocardiography showed a sinus rhythm with Q-wave formation in the inferior wall leads (II, III, aVF), T-wave inversion in the same leads, and borderline QT prolongation[] ST segment depression and T wave inversion are associated with subendocardial infarction.[]

  • Coronary Atherosclerosis

    Although most will recognise the typical ECG features of ST elevation myocardial infarction, the significance of ST elevation in lead aVR may not always be appreciated.[] […] or appearance or disappearance of localized ST-elevation followed by T-wave inversion in two or more standard electrocardiograph leads; (c) increase in concentration of serum[] The ECG can show ST segment shifts and/or T-wave inversions as signs of heart ischemia or injury. However, there are electrically silent areas in the standard monitors.[]

  • Ventricular Aneurysm

    Prominent R wave in lead aVR (Goldberger sign) The presence of above ECG findings are not pathognomonic for the presence of LVA.[] ECG Examples Example 1 Anterior Left Ventricular Aneurysm: Minimal ST elevation in V1-3 associated with deep Q waves and T-wave inversion.[] Dyskinesia of an abnormal protrusion of the cardiac silhouette on the chest x-ray film was detected in only three. The ECG revealed abnormal findings in all children.[]

  • Right Bundle Branch Block

    We investigated clinical and ECG characteristics, including maximum deflection index and QRS morphology in leads aVR and V6.[] 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[] Echocardiography may demonstrate one or more areas of hypokinesia or dyskinesia.[]

  • Arrhythmogenic Right Ventricular Dysplasia

    New algorithm using only lead aVR for differential diagnosis of wide QRS complex tachycardia. Heart Rhythm . 2008 Jan. 5 (1):89-98. [Medline] . Kannankeril PJ, Roden DM.[] The patient had T-wave inversion in the inferior ECG leads and no history of arrhythmias.[] Major cardiac MRI diagnostic criteria are: regional RV akinesia or dyskinesia or dyssynchronous RV contraction and 1 of the following: ratio of RV end-diastolic volume to[]

  • Myocardial Fibrosis

    If this thesis is correct, it will question which patients to offer AVR.[] These findings include T-wave inversion in the anterior precordial leads (V1 through V6), epsilon waves, or VT with a left bundle branch block pattern, although polymorphic[] For most patients AVR causes significant symptom reduction and reduced mortality.[]

  • Apical Myocardial Infarction

    Worse Prognosis for Myocardial Infarction Patients With ST-Deviation in AVR. Medscape. Jul 11 2013. [Full Text]. Alherbish A, Westerhout CM, Fu Y, et al.[] Sakamoto, T, Tei, C, Murayama, M, et al. Giant T wave inversion as a manifestation of asymmetrical apical hypertrophy (AAH) of the left ventricle.[] In RVMI, the right cardiac chambers are dilated and they present motion abnormalities.[]

  • Dextrocardia

    Lead aVR is similar to the normal aVL in the normal ECG.[] A 12-lead ECG with leads reversed appropriately for dextrocardia, revealed well-controlled atrial fibrillation with widespread T wave inversion in the anterior chest leads[] A population-based study of cardiac malformations and outcomes associated with dextrocardia. Am J Cardiol. 2007;100(2):305-9.[]

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