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41 Possible Causes for Altered Mental Status, Short PR Interval

  • Myocardial Infarction

    The man was bitten on the left index finger and subsequently developed localized edema followed by hypotension, chest pain, and altered mental status.[ncbi.nlm.nih.gov] Therefore, patients with altered mental status were not eligible to participate in the trial.[doi.org]

  • Chronic Obstructive Pulmonary Disease

    J Chin Med Assoc. 2009 Aug;72(8):442-5. doi: 10.1016/S1726-4901(09)70403-4. Author information 1 Division of Chest Medicine, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung, Taiwan, R.O.C. Abstract Hyperinfection syndrome with Strongyloides stercoralis is not uncommon in immunocompromised[…][ncbi.nlm.nih.gov]

  • Acute Myocardial Infarction

    Heart Lung Circ. 2017 Aug;26(8):e37-e40. doi: 10.1016/j.hlc.2017.01.012. Epub 2017 Feb 28. Author information 1 King's College London British Heart Foundation Centre of Excellence, The Rayne Institute, St. Thomas' Hospital, London, England; Department of Cardiology, Royal North Shore Hospital, Sydney, NSW, Australia; The[…][ncbi.nlm.nih.gov]

  • Graves Disease

    Ann Clin Biochem. 2018 Jan;55(1):172-177. doi: 10.1177/0004563217700655. Epub 2017 Oct 9. Author information 1 1 Department of Laboratory Medicine, Catholic University-Gemelli Hospital, Rome, Italy. 2 2 Units of Endocrinology, Catholic University - Gemelli Hospital, Rome, Italy. Abstract Background Thyroid-stimulating hormone[…][ncbi.nlm.nih.gov]

  • Orthostatic Hypotension

    The most likely mechanism was an impaired cardiac filling with a short diastolic time due to a very prolonged PR interval, a somewhat "pseudo-pacemaker syndrome".[ncbi.nlm.nih.gov] Have severely altered mental status. Have possible spinal injuries. Have lower extremity or pelvic fractures. Are not mobile enough to get out of bed.[ahrq.gov]

  • Syncope

    So here goes: W is Wolff-Parkinson-White syndrome – look for a short PR interval or delta wave: O is obstructed AV pathway – look for 2nd or 3rd degree block: or axis deviation[resus.me] mental status until treated, onset seldom abrupt, sweating, piloerection Usually history of diabetes or insulinoma Fingerstick glucose Response to glucose infusion Psychiatric[merckmanuals.com] short PR: WPW long PR : AV conduction block narrow, deep QRS: HCM wide QRS Epsilon waves: arrhythmogenic RV hypertrophy wide QRS: Vtach,WPW, BBB QT interval: long QT syndrome[emergencymedicinecases.com]

  • Hypertrophic Cardiomyopathy

    Paramedics bring a 26-year-old man to the ED with acute-onset altered mental status. He has a history of back pain. An open, unlabeled pillbox was found.[emedicine.medscape.com]

  • Wolff-Parkinson-White Syndrome

    Wolff-Parkinson-White (WPW) syndrome is defined as the presence of an accessory atrioventricular pathway which is manifested as delta waves and short PR interval on electrocardiography[ncbi.nlm.nih.gov] If a patient exhibits severe symptoms such as lethargy, low blood pressure or altered mental status, electrical impulses can be used to establish a normal rhythm.[house.wikia.com] Electrocardiography (ECG) of patients with WPW syndrome portrays a short PR interval and a wide QRS interval with a delta wave.[ncbi.nlm.nih.gov]

  • Hyperthyroidism

    Thyroid storm should be considered in the differential of any patient presenting with altered mental status.[ncbi.nlm.nih.gov] Thyroid storm is the most severe form of thyrotoxicosis, hallmarked by altered sensorium, and, if untreated, is associated with significant mortality.[ncbi.nlm.nih.gov]

  • Third Degree Atrioventricular Block

    PR interval ( 0.12s) Initial slurring of QRS complex (delta wave) representing early ventricular activation through normal ventricular muscle in region of the accessory pathway[ecg.utah.edu] mental status Hypotension Lethargy In patients with concomitant myocardial ischemia or myocardial infarction (MI), corresponding signs such as the following may be evident[emedicine.medscape.com] I attempted to measure a possible PR-interval for the late QRS complexes but: 1) it doesn’t make sense for them to show a longer PR-interval than the early QRS’s (the immediately[ems12lead.com]

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