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400 Possible Causes for Right 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.[] Normal axis or right axis deviation due to right ventricular diastolic overload. Right atrial abnormality ( may not be observed in children ).[] In contrast Secundum defects have an axis between 0 degrees and 180 degrees with most cases to the right of 100 degrees.[]

  • Left Posterior Fascicular Block

    axis deviation, alongside several other findings involving the QRS complex.[] The ECG showed a marked right axis deviation, a QRS duration of 0.13 sec. and an rS pattern from V1 to V6.[] The left posterior fascicular block is diagnosed by right axis deviation and by ruling out other causes of right axis deviation.[]

  • Cor Pulmonale

    Right axis deviation and low voltage may be noted in patients with pulmonary emphysema.[] Electrocardiography shows the appearance of flat or inverted T waves in the right ventricular precordial leads, right axis deviation of greater than 30 in the mean electrical[] axis deviation due to right ventricular hypertrophy Incomplete or complete right bundle branch block In some cases, P pulmonale S1Q3 pattern in acute cor pulmonale Chest x-ray[]

  • Thromboembolism

    Findings suggestive of PE may include sinus tachycardia, right axis deviation, inverted T waves in leads V1 to V3, and a right bundle branch block.[]

  • Pulmonary Hypertension

    Surface electrocardiogram showed right atrial and ventricular overload with right axis deviation.[] In pulmonary hypertension, the electrocardiogram (ECG) may demonstrate signs of right ventricular hypertrophy, such as tall right precordial R waves, right axis deviation[] These signs include the following: Right-axis deviation R/S ratio greater than 1 in lead V1 Right atrial enlargement as indicated by an increased P-wave amplitude in lead[]

  • Spontaneous Pneumothorax

    These findings include axis deviation, T-wave inversion, and right bundle branch block.[] When an ECG has the arm leads incorrectly placed, the ECG will display right axis deviation and inversion of the P waves in lead I.[] An ECG was administered; findings indicated reversal of the arm leads (right axis deviation and inverted P waves in lead I), but there was no actual limb lead reversal present[]

  • Pulmonary Artery Stenosis

    Electrocardiography (ECG) was in favour of right axis deviation and right ventricular prominence.[]

  • Holt Oram Syndrome

    Electrocardiogram showed sinus rhythm, right axis deviation, tall and peaked P waves in leads II and V2 to V6, and right ventricular hypertrophy.[]

  • Acute Mountain Sickness

    An electrocardiogram may show variable features like right axis deviation, non-specific ST-T changes, sinus arrhythmias, and P wave abnormalities.[]

  • Right Ventricular Hypertrophy

    An ECG with right ventricular hypertrophy may or may not show a right axis deviation on the graph. [1] Contents 1 Symptoms 2 Causes 3 Diagnosis 4 Treatment 5 References 6[] Example 4 Right ventricular hypertrophy in a patient with arrhythmogenic right ventricular cardiomyopathy (ARVC): Right axis deviation.[] axis deviation Left axis deviation QT Short QT syndrome T T wave alternans ST Osborn wave ST elevation ST depression Strain pattern Cardiomegaly Ventricular hypertrophy Left[]

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