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Expired CO2 Measurement in Intubated or Spontaneously Breathing Patients from the Emergency Department
Published on: January 29, 2011
[Trousseaus sign with main d'acoucheur caused by hyperventilation].
Anders Vestergaard1, Vidar De Bourg Ruddox
1Skadestuen, Kolding Sygehus, Denmark. vestergaard_anders@hotmail.com
Ugeskrift for Laeger
|December 2, 2010
Summary
Trousseau's sign and "main d'acoucheur" indicate increased neuromuscular excitability, often linked to hypocalcemia. This study highlights hyperventilation as a cause for "main d'acoucheur" in three patients.
Area of Science:
- Neurology
- Clinical Medicine
- Physiology
Background:
- Trousseau's sign and "main d'acoucheur" are clinical indicators of heightened neuromuscular sensitivity.
- These signs are commonly associated with hypocalcemia, a condition of low calcium levels.
- The characteristic presentation involves finger and wrist flexion, forming a pyramid shape.
Observation:
- This report details three distinct cases presenting with "main d'acoucheur."
- In these cases, hyperventilation was identified as the primary trigger for the observed sign.
- The clinical manifestation was directly linked to the respiratory pattern of the patients.
Findings:
- Hyperventilation can precipitate "main d'acoucheur" independent of hypocalcemia.
- The neuromuscular hyperexcitability manifested as the characteristic hand and wrist posture.
- Rapid correction of hyperventilation resolved the clinical sign.
Implications:
- Recognizing hyperventilation as a cause for "main d'acoucheur" is crucial for accurate diagnosis.
- This finding broadens the differential diagnosis for neuromuscular excitability signs.
- Simple interventions like reassurance and rebreathing can effectively manage this condition.
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