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51 Possible Causes for Incomplete Right Bundle Branch Block, Sleep Apnea Syndrome

  • Pulmonary Hypertension

    In some patients, the elevated pressure may be related to obstructive sleep apnea syndrome (OSAS), and can be reduced with the use of a CPAP, (a device that delivers positive[] Right axis deviation (short arrow), increased P-wave amplitude in lead II (black arrowhead), and incomplete right bundle branch block (white arrowhead) are highly specific[] […] airway pressure during sleep).[]

  • Recurrent Pulmonary Embolism

    Characteristics of sleep apnea syndrome in tetraplegic patients . Spinal Cord 2002; 40 : 286–294. 16. Atwood Jr CW , McCrory D , Garcia JG , Abman SH , Ahearn GS .[] Review of EKGs showed a trend of increasing right axis deviation with recovery and recurrences during the previous 9 years and a current incomplete right bundle branch block[] […] interval 0.24 sec), an incomplete right bundle branch block and non-specific ST-segment abnormalities: 1 mm ST elevations in DI, DII and aVL. ( Fig. 1 ) The chest radiography[]

  • Patent Foramen Ovale

    Previous studies have shown a higher prevalence of patent foramen ovale (PFO) in patients with obstructive sleep apnea syndrome (OSAS).[] Incomplete right bundle branch block is frequently present. Crochetage (a notch seen in QRS in leads II and III) can be seen in secundum ASD cases.[] […] such as migraine, diving incidence, platynea orthodeoxia, economy class syndrome, sleep apnea and persistent desaturations in mild right ventricular dysfunction.[]

  • Oculopharyngeal Muscular Dystrophy

    She also complained of snoring and daytime somnolence, and was found to have obstructive sleep apnea (OSA) syndrome attributable to her neuromuscular disorder.[] Cardiac arrhythmias detected were as follows: polymorphic Ventricular tachycardia and supraventricular tachycardia in 1, asymptomatic incomplete right bundle branch block[]

  • Sudden Infant Death Syndrome

    All five infants developed heavy snoring at night and symptoms of obstructive sleep apnea syndrome.[] Brugada Syndrome (BrS) is a cardiac disorder characterized by incomplete right bundle-branch block and ST elevations in the anterior precordial leads especially V1 -V3 , associated[] Besides central sleep apnea and thermal dysregulation, infections have been repeatedly suggested to be implicated in SIDS etiology.[]

  • Facioscapulohumeral Muscular Dystrophy

    Two patients presented isolated severe sleep apnea syndrome.[] Baseline ECG demonstrated incomplete right bundle branch block (RBBB) in 33%, complete RBBB in 4%, and other minor abnormalities in 16%.[] ECG showed incomplete right bundle branch block, ST elevation in V2-V4, tall T waves in V3-V5, and hypertrophy signs.[]

  • Chronic Obstructive Pulmonary Disease

    COPD and obstructive sleep apnea syndrome may increase the overall cardiovascular risk, especially in elderly patients.[] The study was conducted to determine the impact of chronic obstructive pulmonary disease (COPD) in association with obstructive sleep apnea syndrome (OSAS) on cardiac autonomic[]

  • Sick Sinus Syndrome

    apnea-hypopnea syndrome (SAHS) is well recognized. 1 Recently, our group confirmed an elevated prevalence of SAHS in patients with SND. 2 In addition, there is indirect evidence[] ECG examinations performed between 13 and 20 years old showed incomplete right bundle branch block and ST elevation with early depolarization.[] Sinus pauses of more than 3 seconds except in rare conditions like seizure disorders and sleep apnea syndrome is suggestive of a nodal pause or arrest.[]

  • Right Ventricular Hypertrophy

    , hypoplastic left heart syndrome , left ventricular hypertrophy or dilation, mitral stenosis , obstructive sleep apnea , primary pulmonary hypertension , pulmonary embolism[] In contrast, when an incomplete right bundle branch block exists, the rSR' pattern is a relatively sensitive but nonspecific predictor of RVH.[] Other abnormalities caused by RVH Right bundle branch block (complete or incomplete).[]

  • Cor Pulmonale

    Role of daytime hypoxemia in the pathogenesis of right heart failure in the obstructive sleep apnea syndrome. Am Rev Respir Dis 1985; 131:835.[] ECG shows the following changes: In acute pulmonary heart disease : right axial deviation, complete or incomplete right bundle branch block, sinus tachycardia, reversal of[] Partinen M, Jamieson A, Guilleminault C: Long-term outcome for obstructive sleep apnea syndrome patients. Mortality . Chest 1988, 94 :1200–1204.[]

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