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[Reversible electrocardiographic changes in hypothermia].

Markus Lins1, Ben Petersen, Andreas Tiroke

  • 1Department of Cardiology, University Hospital Schleswig-Holstein Campus Kiel, Schittenhelmstrasse 12, 24105 Kiel, Germany. lins@cardio.uni-kiel.de

Zeitschrift Fur Kardiologie
|September 1, 2004
PubMed
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Accidental hypothermia in a homeless man caused significant electrocardiogram (ECG) abnormalities, including Osborne waves. These dangerous heart changes fully resolved with surface rewarming.

Area of Science:

  • Cardiology
  • Emergency Medicine
  • Environmental Health

Background:

  • Accidental hypothermia is a serious medical emergency.
  • Exposure to cold can lead to profound physiological changes.
  • Homeless individuals are at increased risk of hypothermia.

Observation:

  • A homeless patient presented with severe accidental hypothermia.
  • Massive electrocardiogram (ECG) changes were noted upon hospital admission.
  • Specific ECG findings included sinus bradycardia, AV-block, widened QRS, Osborne waves, and QT prolongation.

Findings:

  • The observed ECG abnormalities were directly correlated with the degree of hypothermia.
  • Osborne waves, a characteristic sign of hypothermia, were prominently displayed.

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  • These cardiac manifestations demonstrated a slow but complete reversal following therapeutic surface rewarming.

    • Implications:

    • This case highlights the critical importance of recognizing ECG changes in hypothermia patients.
    • Prompt diagnosis and rewarming are crucial for managing hypothermia-induced cardiac dysfunction.
    • Understanding these ECG patterns can aid in early detection and intervention, improving patient outcomes.