Dr. Smith's ECG Blog
JANUARY 30, 2019
Alexandra Schick ( with edits by Dr. Smith ) of an elderly woman who was seen in the ED for altered mental status, hyperthermia, and the initial ECG shown above. This case provides an excellent example of a “pseudo-infarction” ECG produced by a hyperthermia-induced Brugada-1 ECG pattern. Heart Rhythm, 13(7): 1515-1520. [2]:
Pediatric Emergency Playbook
AUGUST 1, 2020
2008 Nov;36(11):2226-37. Hyperthermia. In: Pediatric Emergency Medicine, Baren JM, Rothrock SG, Brennan JA, Brown L (Eds), Saunders Elsevier, Philadelphia 2008. J Athl Train. 2013 Jul-Aug; 48(4): 546–553. DeFranco MJ et al. Environmental issues for team physicians. Am J Sports Med. Ishimine P. Jardine DS.
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Dr. Smith's ECG Blog
JULY 22, 2023
This discussion comes from this previous post: Hyperthermia and ST Elevation Discussion Brugada Type 1 ECG changes are associated with sudden cardiac death (SCD) and the occurrence of ventricular dysrhythmias. Syncope and weakness were attributed to acute illness from influenza. The patient did well and was ultimately discharged home.
Thinking Critical Care
MAY 18, 2023
10.1056/NEJM198411013111801 [13] I became the first researcher to report measurements of cerebral blood flow and cerebral metabolic rate for oxygen during cardiac surgery with induced hypothermia on cardiopulmonary bypass. 14] N Engl J Med 2008; 358:111-124 DOI: 10.1056/NEJMoa071366 15 Anaesthesia 2020 May. 311:1137-43. 75:654-663.
The Skeptics' Guide to EM
MARCH 5, 2022
This includes therapeutic hypothermia for out-of-hospital cardiac arrest (OHCA), tranexamic acid (TXA) for epistaxis and electrolyte solutions for mild pediatric gastroenteritis. JAMA Feb 2009 looked at the ACC/AHA guidelines from 1984 to 2008. Case: A resident has been following the literature over their four years of training.
Dr. Smith's ECG Blog
MAY 23, 2022
NOTE: Early repolarization is included among the "J Wave Syndromes" ( JWS ) which are a phenotypic spectrum of disorders including individuals with ERS, Brugada Syndrome and/or malignant arrhythmias linked to STEMIs or the J-point accentuation ( Osborn wave ) of hypothermia.
Dr. Smith's ECG Blog
JANUARY 21, 2023
Acute and reversible J waves are called "Osborn waves" and are often associated with hypothermia which can also induce ventricular arrhythmias (3), where their size correlates with colder temperatures and resolves with warming (5). Hypothermia can also produce bradycardia and J waves, with a pseudo-STEMI pattern. TSH came back as 45.
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