1,156 Possible Causes for Left Axis Deviation

  • Left Bundle Branch Block

    This is common with, and a function of, left axis deviation.[radcliffecardiology.com] Left axis deviation in addition to left bundle branch block did not imply more frequent coronary atherosclerosis.[circ.ahajournals.org]  usually leads to left axis deviation.[lifeinthefastlane.com]

  • Left Ventricular Hypertrophy

    Left axis deviation .[lifeinthefastlane.com] […] atrial enlargement ) 3 Left axis deviation (QRS of -30 or more) 2 QRS duration 0.09 sec 1 Delayed intrinsicoid deflection in V 5 or V 6 ( 0.05 sec) 1 Other voltage-based[en.wikipedia.org] Atrial Enlargement 3 points Left Axis Deviation 2 points QRS duration 90 ms 1 point Intrinsicoid deflection in V5 or V6 50 ms 1 point ECG Examples: Left Ventricular Hypertrophy[healio.com]

  • Left Ventricular Outflow Obstruction

    […] ventricular systolic impulse ( Table ). 10 The ECG may demonstrate evidence of left ventricular hypertrophy and QRS left axis deviation that is indistinguishable from the[circ.ahajournals.org] […] the LV short-axis view ( Figure 1 B, left panel).[em-consulte.com] The severity and distribution of left ventricular hypertrophy were assessed in the parasternal short-axis plane by dividing the left ventricle into four regions: anterior[academic.oup.com]

  • Left Anterior Fascicular Block

    Grant R (1956) Left axis deviation: an electrocardiographic pathologic correlation study.[link.springer.com] It is manifested on the ECG by left axis deviation .[ipfs.io] Criteria [ edit ] Abnormal left axis deviation [3] (usually between –45 and –60 ) [4] qR pattern (small q, tall R) in the lateral limb leads I and aVL rS pattern (small r,[en.wikipedia.org]

  • Anomalies of Coronary Artery Origin

    His electrocardiogram revealed normal sinus rhythm at a rate of 80 beats/min, left axis deviation, left atrial abnormality, and T-wave inversion in lead V 6 .[read.nxtbook.com] , in those cases in which the coronary artery morphology is not normal, defining normality according to a statistical criteria (interval between plus or minus 2 standard deviations[revespcardiol.org] A single left coronary artery arising from the left coronary sinus is a rare anomaly, with the RCA arising from either the left main stem or the branches downstream from the[read.nxtbook.com]

  • Endocardial Cushion Defect

    Left axis deviation Biventricular hypertrophy Chest X-ray Cardiomegaly with increased pulmonary vascular markings Treatment Close the atrial and/or ventricular septal defects[echocardiology.org] ECG shows a superiorly directed QRS axis (eg, left axis deviation or northwest axis), frequent 1st-degree AV block, left or right ventricular hypertrophy or both, and occasional[merckmanuals.com] […] are inserted at the same level Posterior angulation of the probe reveals the ventricular septal defect when present Subcostal view reveals the atrial septal defect Short-axis[echocardiology.org]

  • Tricuspid Atresia

    (October 2017) CXR : decreased pulmonary blood flow and oligemic lung field ECG : left axis deviation Treatment [ edit ] PGE1 to maintain patent ductus arteriosus modified[en.wikipedia.org] The bigger the heart size, the worse the prognosis Clues for tricuspid atresia cyanosis, vsd murmur, ECG with L superior axis deviation, LVH, small RV forces Causes - rheumatic[quizlet.com] ECG characteristically shows left axis deviation (between 0 and 90 ) and left ventricular hypertrophy.[merckmanuals.com]

  • Left Ventricular Dilatation

    All data were presented as the absolute (n) and relative (%) frequency or means and standard deviations, as appropriate.[journals.plos.org] Fourth, when we assess left ventricular function on the short-axis views we are interpreting "radial" function.[123sonography.com] Left axis deviation.[lifeinthefastlane.com]

  • Aortic Valve Stenosis

    References: [4] [1] Diagnostics ECG Nonspecific for AS Signs of left ventricular hypertrophy (e.g., left axis deviation , positive Sokolow-Lyon index ) Chest x-ray Findings[amboss.com] This leads to chronic and progressive excess load on the left ventricle and potentially left ventricular failure .[amboss.com] […] of left ventricular hypertrophy , such as left ventricular enlargement and rounded heart apex , usually only in decompensated aortic stenosis, and possibly left atrial enlargement[amboss.com]

  • Atrial Septal Defect

    When an ostium primum atrial defect is present, the ECG reveals left axis deviation.[healio.com] First-degree AV block, left-axis deviation, voltage evidence of right ventricular hypertrophy.[circ.ahajournals.org] EKG Right axis deviation and incomplete righ bundle branch block; normal rhythm for first 30 years, then atrial fibrillation and SVT.[medical-dictionary.thefreedictionary.com]

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