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7 Possible Causes for Progressive Biatrial Enlargement

  • Dilated Cardiomyopathy 1R

    Common ECG associations with DCM Left atrial enlargement - may progress to atrial fibrillation.[lifeinthefastlane.com] Biatrial enlargement Left ventricular hypertrophy or biventricular enlargement Left bundle branch block ( RBBB can also occur). Left axis deviation.[lifeinthefastlane.com] Poor R-wave progression with QS complexes in V1-4 (“pseudo-infarction” pattern). Frequent ventricular ectopics and ventricular bigeminy (seen with severe DCM).[lifeinthefastlane.com]

  • Dilated Cardiomyopathy

    Common ECG associations with DCM Left atrial enlargement - may progress to atrial fibrillation.[lifeinthefastlane.com] Biatrial enlargement Left ventricular hypertrophy or biventricular enlargement Left bundle branch block ( RBBB can also occur). Left axis deviation.[lifeinthefastlane.com] Poor R-wave progression with QS complexes in V1-4 (“pseudo-infarction” pattern). Frequent ventricular ectopics and ventricular bigeminy (seen with severe DCM).[lifeinthefastlane.com]

  • Cardiac Dilatation

    Common ECG associations with DCM Left atrial enlargement - may progress to atrial fibrillation.[lifeinthefastlane.com] Biatrial enlargement Left ventricular hypertrophy or biventricular enlargement Left bundle branch block ( RBBB can also occur). Left axis deviation.[lifeinthefastlane.com] Poor R-wave progression with QS complexes in V1-4 (“pseudo-infarction” pattern). Frequent ventricular ectopics and ventricular bigeminy (seen with severe DCM).[lifeinthefastlane.com]

  • Left Ventricular Dilatation

    Common ECG associations with DCM Left atrial enlargement - may progress to atrial fibrillation.[lifeinthefastlane.com] Biatrial enlargement Left ventricular hypertrophy or biventricular enlargement Left bundle branch block ( RBBB can also occur). Left axis deviation.[lifeinthefastlane.com] Poor R-wave progression with QS complexes in V1-4 (“pseudo-infarction” pattern). Frequent ventricular ectopics and ventricular bigeminy (seen with severe DCM).[lifeinthefastlane.com]

  • Cardiomyopathy

    Common ECG associations with DCM Left atrial enlargement - may progress to atrial fibrillation.[lifeinthefastlane.com] Biatrial enlargement Left ventricular hypertrophy or biventricular enlargement Left bundle branch block ( RBBB can also occur). Left axis deviation.[lifeinthefastlane.com] Poor R-wave progression with QS complexes in V1-4 (“pseudo-infarction” pattern). Frequent ventricular ectopics and ventricular bigeminy (seen with severe DCM).[lifeinthefastlane.com]

  • Left Ventricular Noncompaction

    Restrictive cardiomyopathy is an uncommon primary cardiomyopathy characterized by biatrial enlargement, normal or decreased biventricular volume, impaired ventricular filling[ncbi.nlm.nih.gov] Patients may present with a variety of clinical phenotypes, ranging from a complete absence of symptoms to a rapid, progressive decline in LV systolic and diastolic function[ncbi.nlm.nih.gov]

  • Coffin-Lowry Syndrome

    Restrictive cardiomyopathy is an uncommon primary cardiomyopathy characterized by biatrial enlargement, normal or decreased biventricular volume, impaired ventricular filling[ncbi.nlm.nih.gov] Patients may present with a variety of clinical phenotypes, ranging from a complete absence of symptoms to a rapid, progressive decline in LV systolic and diastolic function[ncbi.nlm.nih.gov]

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