Dengue fever physical examination

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

The classic picture of Dengue Fever includes a high fever with no localizing source of infection on physical examination, with petechia being present occasionally. The physical examination in Dengue fever should be directed to ward identifying signs that the patient has severe disease warranting admission or in-hospital observation.

Vital Signs

Tachycardia, postural hypotension, and hypotension could indicate dehydration. Patients who are triaged to home management should urinate at least every 6 hours.

The tourniquet test


Skin

If the patient has poor perfusion, the skin may be cold and clammy.

Petechiae may be present.

Mental Status

Lethargy and restlessness are warning signs that the patient should be monitored.

HEENT

Mucosal bleeding is a warning signs that the patient should be monitored.

Lungs

  • Pleural effusion is a warning sign the capillary leak may be occurring and that the patient should be monitored.

Abdomen

  • Abdominal pain or tenderness are warning signs that the patient should be monitored.
  • Liver enlargment >2 cm is a warning signs that the patient should be monitored.
  • Ascites is a warning signs that the patient should be monitored.

Extremities



Appearance of the Patient

a petechial rash with thrombocytopenia and relative leukopenia.


Dengue shock syndrome is defined as dengue haemorrhagic fever plus:

  • Weak rapid pulse,
  • Narrow pulse pressure (less than 20 mm Hg)

or,

  • Hypotension for age;
  • Cold, clammy skin and restlessness.

References