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278 Possible Causes for Atrial Fibrillation, Left Axis Deviation

  • Ostium Primum Atrial Septal Defect

    In Primum defects left axis deviation is seen in most patients with an axis of -30 degrees and very few patients have right axis deviation.[] Four patients had moderate preoperative exercise incapacity (New York Heart Association functional class 11) and six had atrial fibrillation.[] deviation is generally found in primum ASD, but an RSR pattern (M pattern) in V1 is characteristic.[]

  • Atrial Septal Defect

    When an ostium primum atrial defect is present, the ECG reveals left axis deviation.[] The aim of this study was to evaluate the long-term risk of atrial fibrillation (AF) and stroke in patients with atrial septal defect (ASD) diagnosed before the age of 18[] In ostium primum ASD, it shows left axis deviation and right bundle branch block. In sinus venosus ASD, it shows left axis deviation and a negative P wave in lead III.[]

  • Hypertrophic Cardiomyopathy

    ECG: Findings also may include right or left axis deviation, conduction abnormalities, sinus bradycardia with ectopic atrial rhythm and atrial enlargement.[] Novel predictors of atrial fibrillation (AF) in hypertrophic cardiomyopathy (HCM) are desirable.[] Common electrocardiographic findings include ST-T wave abnormalities and left ventricular hypertrophy, axis deviation (right or left), conduction abnormalities (P-R prolongation[]

  • Aortic Valve Stenosis

    References: [3] [7] [4] Diagnostics ECG Nonspecific for AS Signs of left ventricular hypertrophy (e.g., left axis deviation , positive Sokolow-Lyon index ) Chest x-ray Findings[] Anesthesia for patients with moderate aortic stenosis accompanied by atrial fibrillation during high-risk surgery such as liver transplantation remains a challenge in maintaining[] fibrillation, mean aortic gradient, LV ejection fraction, LV mass, BMI and study treatment.[]

  • Left Bundle Branch Block

    Left bundle branch block is usually associated with normal or left axis deviation.[] fibrillation.[] Electrocardiography showed atrial fibrillation (AF) with a heart rate of 116 bpm and left bundle branch block (LBBB).[]

  • Pulmonary Embolism

    axis deviation and an S in V3 plus R in aVL 20 mm 4 New onset right bundle branch block 5 New onset left bundle branch block M2 Select Answer to see Preferred Response PREFERRED[] A 64-year-old female with atrial fibrillation and surgical history of varicosity underwent total right hip replacement surgery under general anesthesia.[] Reasons for pre-arrival anticoagulation were VTE treatment or prevention (n 21), and atrial fibrillation or flutter (n 15).[]

  • Left Ventricular Hypertrophy

    […] atrial involvement - terminal deflection of P wave in V1 is 1 box wide, and 1 box deep or more (3 points) Left axis deviation - QRS axis is -30 degrees or more negative ([] Left ventricular hypertrophy (LVH) is an independent predictor of new-onset atrial fibrillation.[] Left axis deviation.[]

  • Alcoholic Cardiomyopathy

    ECG: (I) sinus tachycardia; (II) left atrial and ventricular enlargement; (III) left axis deviation. Blood gas analysis: PO 2 : 111 mmHg, PCO 2 : 39 mmHg.[] The patient had a long history of left ventricular dysfunction and atrial fibrillation but the referring physician had not prescribed anticoagulant prophylaxis.[] Atrial fibrillation, QRS width 120 ms, and the absence of beta-blocker therapy identify patients with a poor outcome.[]

  • Ischemic Cardiomyopathy

    In this patient the VT had a right bundle-branch block and left axis deviation morphology (Belhassen morphology). The VT responded well to verapamil therapy.[] Also, prior atrial fibrillation/flutter was noted.[] The early-to-late mitral valve flow ratio (E/A) on echocardiogram was 2.4   1.8 and 9 patients had E/A  2, excluding 2 patients with atrial fibrillation.[]

  • Patent Foramen Ovale

    Individuals with a sinus venosus ASD exhibit a left axis deviation of the P wave (not the QRS complex).[] The secondary endpoints are all-cause mortality, total serious adverse events, atrial fibrillation and bleeding.[] ECG in patients with ASD might show right (secundum) or left axis deviation (primum). The p-wave axis might be abnormal and the PR might be prolonged.[]

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