Acute fever

From WikEM
(Redirected from Hyperpyrexia)
Jump to: navigation, search

Background

Definition

  • Defined as temperature ≥38°C (100.4°F).
  • Peripheral temperature is not clinically accurate and central measurements are the preferred means of determining fever.[1]

Clinical Features

Differential Diagnosis

Fever

Infectious

Non-infectious

DDx by Heart Rate

Every 0.55°C increase in temperature should → increase HR by ~10BPM

Evaluation

See individual notes for specific workup:

Management

Disposition

  • Depends on underlying etiology

See Also

References

  1. Niven DJ, Gaudet JE, Laupland KB, Mrklas KJ, Roberts DJ, Stelfox HT. Accuracy of Peripheral Thermometers for Estimating Temperature: A Systematic Review and Meta-analysis. Ann Intern Med. 2015;163(10):768-777. doi:10.7326/M15-1150.