Open AccessA Case Report on Osborn Waves of Hypothermia Induced LV Systolic Dysfunction
Author(s) -
Rajnandini Singha,
Amazing Grace Siangshai,
Jashlyn Lijo
Publication year - 2021
Publication title -
international journal of pharmaceutical sciences review and research
Language(s) - English
Resource type - Journals
ISSN - 0976-044X
DOI - 10.47583/ijpsrr.2021.v70i02.004
Subject(s) - hypothermia , qrs complex , j wave , cardiology , medicine , sinus bradycardia , ventricular fibrillation , ventricle , t wave , qt interval , precordial examination , anesthesia , bradycardia , electrocardiography , blood pressure , heart rate
Hypothermia, described as a core body temperature of < 95%, is associated with ECG alteration abnormalities. Sinus bradycardiaoccurs when the body temperature drops below 90°F, and is correlated with gradual prolongation of the PR interval, QRS complex,QT interval. It can progress to ventricular and atrial fibrillation at a temperature reaching 89°F, which can lead to left ventriculardysfunction. Hypothermia is connected to the osborn waves, which at the end of the QRS complex consist of additional deflection.The inferior and lateral precordial leads are seen by Osborn waves, also known as J waves, Camel hump waves and hypothermicwaves. As the body temperature decreases, it becomes more pronounced and a gradual expansion of the QRS complex raises thelikelihood of ventricular fibrillation causing ventricle dysfunction.