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581 Possible Causes for Sinus Bradycardia

  • Gastroesophageal Reflux Disease

    An electrocardiogram on admission revealed normal sinus rhythm. However, after repeated bouts of coughing, the heart rate showed bradycardia associated with convulsion.[ncbi.nlm.nih.gov]

  • Cardiomyopathy

    […] findings may include the following: ST-T wave abnormalities and LVH (common) Axis deviation (right or left) Conduction abnormalities (P-R prolongation, bundle-branch block) Sinus[emedicine.com] bradycardia with ectopic atrial rhythm Atrial enlargement Abnormal and prominent Q wave in the anterior precordial and lateral limb leads, short P-R interval with QRS suggestive[emedicine.com]

  • Sleep Apnea Syndrome

    In their first paper, 17 which involved a study of 15 patients with SAHS, these authors observed episodes of severe sinus bradycardia and even sinus arrests during the polysomnograph[revespcardiol.org]

  • Vasovagal Syncope

    Severe sinus bradycardia and hypotension accompanied by light-headedness, cold sweating, and nausea occurred at 80 degrees head-up position during 4 micrograms/min isoproterenol[ncbi.nlm.nih.gov] Neurocardiogenic (vasovagal) syncope is characterized by hypotension and bradycardia.[ncbi.nlm.nih.gov] BP ’d rapidly Some experienced profound bradycardia, junctional rhythms, or long sinus pauses associated with respiratory pauses Graham, et al. (1961) 18.[slideshare.net]

  • Syncope

    During her hospitalization for tapering of AEDs and 24-hour EEG monitoring, the patient developed a seizure followed by sinus bradycardia and an 18-second sinus pause, resulting[ncbi.nlm.nih.gov] Upon his admission, an electrocardiogram showed sinus bradycardia, and computed tomography of the neck with contrast showed a large parapharyngeal mass involving the prestyloid[ncbi.nlm.nih.gov] Either sinus bradycardia or heart block can produce significant bradycardia.[heartdisease.about.com]

  • Myocardial Infarction

    We describe a 41-year-old man who presented with steep down-sloping ST-segment elevation, paroxysmal ventricular tachycardia, severe sinus bradycardia, and intermittent complete[ncbi.nlm.nih.gov]

  • Posterior Myocardial Infarction

    Dysrhythmias that are usually seen with this type of MI are bradycardias (from increased parasympathetic activity) such as sinus bradycardia and sinus arrest and AV conduction[brilliantnurse.com]

  • Acute Myocardial Infarction

    Electrocardiographic changes include ST segment elevation, onset of sinus tachycardia (by adrenergic discharge), malignant ventricular arrhythmias, extreme bradycardia, and[f1000research.com]

  • Hypertrophic Cardiomyopathy

    ECG: Findings also may include right or left axis deviation, conduction abnormalities, sinus bradycardia with ectopic atrial rhythm and atrial enlargement.[patient.info] bradycardia with ectopic atrial rhythm, and atrial enlargement.[symptoma.com] […] findings include ST-T wave abnormalities and left ventricular hypertrophy, axis deviation (right or left), conduction abnormalities (P-R prolongation, bundle-branch block), sinus[symptoma.com]

  • Sick Sinus Syndrome

    Types of sick sinus syndrome Sinus bradycardia A normal heart rate is considered to be from 60 to 100 beats per minute.[belmarrahealth.com] On postnatal electrocardiography, there was junctional escape rhythm due to profound sinus bradycardia, leading us to consider sick sinus syndrome.[ncbi.nlm.nih.gov] Sick sinus syndrome has multiple manifestations on electrocardiogram, including sinus bradycardia, sinus arrest, sinoatrial block, and alternating patterns of bradycardia[ncbi.nlm.nih.gov]

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