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Updated: Feb 27, 2026

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The IVC contrast level sign.

Ho Yuen Frank Wong1, Kam Ho Lee2

  • 1Department of Radiology, Queen Mary Hospital, 102 Pokfulam Road, Hong Kong, Hong Kong. drhyfwong@gmail.com.

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|June 30, 2017
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Summary
This summary is machine-generated.

The inferior vena cava (IVC) contrast level sign on CT scans indicates critical conditions like cardiac arrest. Prompt medical attention and resuscitation are vital upon detecting this sign.

Keywords:
Cardiac arrestCardiac tamponadeIVC contrast level signMyocardial infarction

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Area of Science:

  • Radiology
  • Cardiology
  • Emergency Medicine

Background:

  • The inferior vena cava (IVC) contrast level sign is a specific finding on contrast-enhanced computed tomography (CT) scans.
  • This sign represents a contrast-fluid level within the IVC during the arterial phase.

Purpose of the Study:

  • To describe the inferior vena cava (IVC) contrast level sign.
  • To highlight its association with critical cardiovascular conditions.
  • To emphasize the urgency of management when this sign is identified.

Main Methods:

  • Review of contrast-enhanced computed tomography (CT) scans.
  • Identification of the contrast-fluid level in the IVC during the arterial phase.
  • Correlation of the sign with patient clinical conditions.

Main Results:

  • The IVC contrast level sign was observed in patients with critical conditions.
  • Associated conditions include cardiac tamponade, myocardial infarction, and cardiac arrest.
  • The presence of this sign necessitates immediate medical intervention.

Conclusions:

  • The IVC contrast level sign is a significant radiological finding.
  • It serves as an indicator for emergent cardiovascular events.
  • Immediate resuscitation and clinical notification are crucial when this sign is detected.