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| http://dx.doi.org/10.1177/2042018816680588 | DOI Listing |
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Detecting Subtle Osborn Waves in Hypothermia: A Case Report.
Cureus
August 2024
Department of Internal Medicine, Maimonides Medical Center, New York, USA.
Article Synopsis
- J waves, also known as Osborn waves, are specific EKG indicators of hypothermia and can be seen prominently or subtly.
- A case was reported involving a 78-year-old woman with moderate hypothermia, where her EKG showed sinus bradycardia and subtle J waves that disappeared after rewarming.
- Proper management of hypothermia is essential, emphasizing careful handling to prevent arrhythmias and the importance of continuous monitoring due to the risk of serious heart complications.
Environmental Hypothermia.
Emerg Med Clin North Am
August 2024
Department of Emergency Medicine, University of Maryland School of Medicine, 110 South Paca Street, 6th Floor, Suite 200, Baltimore, MD 21201, USA. Electronic address:
Although a rare diagnosis in the Emergency Department, hypothermia affects patients in all environments, from urban to mountainous settings. Classic signs of death cannot be interpreted in the hypothermic patient, thus resulting in the mantra, "No one is dead until they're warm and dead." This comprehensive review of environmental hypothermia covers the clinical significance and pathophysiology of hypothermia, pearls and pitfalls in the prehospital management of hypothermia (including temperature measurement techniques and advanced cardiac life support deviations), necessary Emergency Department diagnostics, available rewarming modalities including extracorporeal life support, and criteria for termination of resuscitation.
View Article and Find Full Text PDFSilent and Cold: A Case of Bradycardia Associated With Isolated Hypothermia.
Cureus
May 2024
Cardiology, Cape Fear Valley Medical Center, Fayetteville, USA.
Sinus bradycardia is defined as a heart rate of less than 60 beats per minute and can occur as an adaptive response but can also be pathologic. Sinus bradycardia can be a normal finding in children, individuals who exercise often, and as a physiologic response during sleep. Pathologic causes of sinus bradycardia include sinus node dysfunction, medications, acute myocardial infarction, heart failure, obstructive sleep apnea, exaggerated vagal activity, increased intracranial hypertension, infection, hypothyroidism, hypothermia, anorexia nervosa, and prolonged hypoxia.
View Article and Find Full Text PDFAccidental Hypothermia-Induced J Wave Coupled With Giant R Wave Augmented by Premature Atrial Contraction: A Case Report.
Cureus
May 2024
Department of Community Emergency Medicine, Ehime University Graduate School of Medicine, Ehime, JPN.
The 12-lead electrocardiographic findings in hypothermia include the presence of J waves; prolongation of the PR, QRS, and QT intervals; and atrial and ventricular dysrhythmias. Among these findings, the J wave, known as the Osborn wave, is considered pathognomonic. In 1953, the J wave was reported as a specific response to hypothermia in dogs, representing the current at the site of injury instead of a widening of the QRS complex that occurs caused by a conduction delay.
View Article and Find Full Text PDFInequalities in birth before arrival at hospital in South West England: a multimethods study of neonatal hypothermia and emergency medical services call-handler advice.
BMJ Open
April 2024
School of Health and Social Wellbeing, University of the West of England, Bristol, UK.
Objectives: To examine inequalities in birth before arrival (BBA) at hospitals in South West England, understand which groups are most likely to experience BBA and how this relates to hypothermia and outcomes (phase A). To investigate opportunities to improve temperature management advice given by emergency medical services (EMS) call-handlers during emergency calls regarding BBA in the UK (phase B).
Design: A two-phase multimethod study.
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