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465 Possible Causes for Percussion Myotonia, Prolonged PR Interval

  • Myotonic Dystrophy

    Percussion myotonia or myotonia of grasp or both is usually present if looked for.[pediatrics.aappublications.org] The ECGs typically showed concordant prolongation in the PR interval and QRS duration.[nejm.org] Yearly ECG with a low threshold for cardiology referral for consideration of EPS and/or REVEAL device insertion if there is marked prolongation of PR interval or QRS complex[doi.org]

  • Hyperkalemia

    ., prolonged PR interval, wide QRS complex) as an alternative to 10 units of short acting insulin.[ncbi.nlm.nih.gov] , prolonged PR interval, prolonged QRS interval, loss of P wave, sine waves and finally ventricular fibrillation (see ECG guideline for normal values for age) ECG CHANGES[starship.org.nz] Notes The classic ECG progression in hyperkalemia is: Peaked T waves Prolonged PR interval and flattening of the P wave Widening of the QRS Sine wave However. you cannot rely[first10em.com]

    Missing: Percussion Myotonia
  • Morbid Obesity

    Morbid obesity is associated with liver pathology, most commonly non-alcoholic steatohepatitis (NASH) leading to cirrhosis. However, the morbid obesity impedes qualification for organ transplantation. We present a case report of a 56-year-old woman who underwent bariatric procedure followed by liver transplantation[…][ncbi.nlm.nih.gov]

    Missing: Percussion Myotonia
  • Electrolyte Imbalance

    .  Assessment findings: serum magnesium level is greater than 2.3mg/dl creatinine clearance decreases to less than 3.0ml/min ECG finding: prolonged PR interval : tall T waves[slideshare.net] Prolonged QT interval D. Shortened ST segment 68. A. Prominent U waves B. Prolonged PR interval C. Depressed ST segment D. Widened QRS complexes 69. A. Alcoholism B.[proprofs.com] The PR interval is prolonged. Occasionally sinoatrial (SA) block, second- or third-degree atrioventricular (AV) block may develop.[ecgwaves.com]

    Missing: Percussion Myotonia
  • Cardiomyopathy

    Cardiomyopathy can be acquired or inherited. “Acquired” means you aren’t born with the disease, but you develop it due to another disease, condition, or factor. “Inherited” means your parents passed the gene for the disease on to you. Researchers continue to look for the genetic links to cardiomyopathy and to[…][web.archive.org]

    Missing: Percussion Myotonia
  • Hemochromatosis

    Hemochromatosis is the abnormal accumulation of iron in parenchymal organs and the most common form of iron overload disease. It may be inherited or acquired. The patients suffering from hemochromatosis have the following clinical picture. The skin of these patients acquires a bronze pigmentation due to the[…][symptoma.com]

    Missing: Percussion Myotonia
  • AV Block Mobitz I

    PR interval gradually prolongs and the 5th beat from the left is not conducted. The cycle restarts and PR interval gradually prolongs again. Dr.[metealpaslan.com] The hallmark of Mobitz type 1 block is the gradual prolongation of PR intervals before a block occurs. Mobitz type 2 block has constant PR intervals before blocks occur.[ecgwaves.com] Gradual prolongation of the PR interval. Blocked (non-conducted) P waves are shown by arrows.[metealpaslan.com]

    Missing: Percussion Myotonia
  • AV Block Mobitz II

    Commonly used terminology includes: First degree AV block – Delayed conduction from the atrium to the ventricle (defined as a prolonged PR interval of 200 milliseconds) without[uptodate.com] Every-other-P wave conducts – as determined by the presence of a fixed ( albeit prolonged ) PR interval preceding each QRS complex on the tracing.[ecg-interpretation.blogspot.com] In this variant of second degree heart block the PR interval is constant with occasional dropped beats as compared to the gradually prolonging PR interval in Mobitz type I[wikidoc.org]

    Missing: Percussion Myotonia
  • Second Degree Atrioventricular Block

    This case demonstrates the need for caution and interval cardiac testing when adding LCM to other AEDs known to prolong the PR interval.[ncbi.nlm.nih.gov] On the surface ECG this is realized through a prolonged PR interval.[ems12lead.com] This is seen as progressive PR interval prolongation with each beat until a P wave is not conducted. There is an irregular R-R interval.[healio.com]

    Missing: Percussion Myotonia
  • Sick Sinus Syndrome

    Pronounced PR interval prolongation. The effect of this PR interval prolongation on AV dyssynchrony is demonstrated in this ECG image.[emedicine.medscape.com] AV dyssynchrony resulting from severe PR interval prolongation in the setting of sinus rhythm.[emedicine.medscape.com] In this ECG, the PR interval is prolonged to the point that the P wave occurs coincident with the peak of the T wave.[emedicine.medscape.com]

    Missing: Percussion Myotonia

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