515 Possible Causes for Left Bundle Branch Block

  • Acute Myocarditis

    One patient had left bundle-branch block. Peak serum creatine kinase levels were elevated in six of the eight patients (range, 150 to 1518 units per liter).[nejm.org] […] may also be seen. 20 The presence of Q waves, a new left bundle branch block and prolonged QRS duration of 120msec is associated with higher rates of cardiac death or heart[jpma.org.pk] bundle branch block (LBBB) are associated with higher rates of cardiac death or heart transplantation Radiology description Chest Xray: cardiomegaly due to chamber dilation[pathologyoutlines.com]

  • Congenital Aortic Valve Stenosis

    The electrocardiogram could reveal left ventricular hypertrophy, left bundle branch block, ST segment depression, and negative T waves.[symptoma.com] Evidence of this phenomenon may rarely include ECG patterns characteristic of certain types of heart block such as Left bundle branch block.[en.wikipedia.org] Cardiac catheterization is performed before a balloon valvuloplasty and offers information about the peak systolic gradient and left ventricular filling pressures.[symptoma.com]

  • Ostium Primum Atrial Septal Defect

    The 12-lead ECG will show an incomplete right bundle branch block and left axis deviation (in contrast to the secundum ASD which has a right axis deviation).[healio.com] Right ventricle hypertrophy markers or incomplete right bundle branch block may be present.[symptoma.com] EKG- With a dilated RV, there may be a right bundle branch block. There may also be atrial arrhythmias like fibrillation and flutter.[pedclerk.bsd.uchicago.edu]

  • Large Ventricular Septal Defect

    block; in large VSDs, it shows left and right ventricular hypertrophy, suggesting pulmonary hypertension.[quizlet.com] Diagnostic Test Results-Diagnostic Procedures Electrocardiography (ECG) findings are normal with an isolated defect but may reveal intraventricular conduction delay or right bundle-branch[quizlet.com]

  • Myocardial Infarction

    If, in the setting of a suggestive history and exam, there are ST-segment elevations in contiguous leads or new left bundle-branch block, a STEMI is present.[clinicaladvisor.com] ECG changes indicative of new ischaemia (new ST-T changes or new left bundle branch block (LBBB)). Development of pathological Q-wave changes in the ECG.[patient.info] Other Treatment Options Percutaneous Coronary Intervention Patients with STEMI or MI with new left bundle branch block should have PCI within 90 minutes of arrival at the[clevelandclinicmeded.com]

  • Hypoaldosteronism

    bundle branch block and hyporeninemic hypoaldosteronism (hyperkalemic left bundle branch block). ( 3543195 ) Leor R....Stalnikowicz R. 1986 37 Hyporeninemic hypoaldosteronism[malacards.org] Manser T.J....Estep H. 1986 35 Hyporeninemic hypoaldosteronism in children with chronic renal failure. ( 3528445 ) RodrA-guez-Soriano J....Oliveros R. 1986 36 Hyperkalemic left[malacards.org]

  • Left Posterior Fascicular Block

    […] atrioventricular block 5 426.13 Other second degree atrioventricular block 6 426.2 Left bundle branch hemiblock 7 426.3 Other left bundle branch block 8 426.4 Right bundle[healthprovidersdata.com] […] anterior fascicular block I44.5 - Left posterior fascicular block I44.6 - Other and unspecified fascicular block I44.7 - Left bundle-branch block, unspecified Contact About[icd-code.org] […] unspecified fascicular block I44.7 - Left bundle-branch block, unspecified[emedcodes.com]

  • Antiarrhythmic Agent

    bundle branch block morphology of the patient’s right ventricular paced rhythm (70 beats/min) ( A) ; ventricular tachycardia originating from the left ventricle ( B ); and[mja.com.au] Caution should be exercised in the presence of intraventricular conduction disorders, and especially left bundle branch block.[omicsonline.org] […] pacemaker capture, care should be taken with loading doses of phenytoin in patients who are pacemaker-dependent. 1 Electrocardiograms Twelve-lead electrocardiograms showing left[mja.com.au]

  • Atrial Septal Aneurysm

    Figure 1 Electrocardiogram track of the patient showing left bundle branch block.[jmedicalcasereports.com] ECG signs of incomplete or complete right bundle branch block are known to be associated with atrial septal defects, however such correlation with other atrial septal abnormalities[casesjournal.biomedcentral.com] An electrocardiogram (ECG) showed a left bundle branch block (Figure 1 ). A chest X-ray showed normal cardiac size and clear lungs.[jmedicalcasereports.com]

  • Myotonic Dystrophy

    […] flutter, right/left bundle branch block, non-sustained ventricular tachycardia, sudden cardiac death, mitral valve prolaps, and left ventricular systolic dysfunction [ 7[bmcresnotes.biomedcentral.com] (AVB), right branch bundle block, and left atrial or ventricular tachyarrhythmias. 6 Several studies have associated electrocardiographic baseline abnormalities with a risk[revespcardiol.org] There are various cardiac manifestations in DM1 associated with high cardiac morbidity and mortality: atrioventricular block, ventricular premature contractions, atrial fibrillation[bmcresnotes.biomedcentral.com]

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