Central Retinal Artery Occlusion (CRAO)

WHAT IS IT?

Central retinal artery occlusion (CRAO) is a self descriptive condition. It is characterized by the occlusion of the central retinal artery.

WHAT CAUSES IT?

CRAO is classically caused by an embolus that blocks blood flow in the central retinal artery

WHY IS IT CONCERNING MEDICALLY?

 

WHAT IS THE INTIAL PRESENTATION?

Patient Chief Complaints:

  • Acute painless vision loss

Detected Medical Problems:

  • Cherry red macula (funduscopy) 
WHAT ARE IMPORTANT ELEMENTS OF THE MEDICAL HISTORY?

Risk Factors:

 

Medical History:

 

WHAT ARE IMPORTANT FEATURES OF THE PHYSICAL EXAM?

Vital Signs:

 

Funduscopic Exam:

  • Cherry red macula 
  • Retinal whitening
CLINICAL WORKUP: SERUM STUDIES

 

CLINICAL WORKUP: IMAGING

 

CLINICAL WORKUP: OTHER

 

HOW DO WE NARROW THE DIFFERENTIAL?

Conditions that present similarly and how to exclude them:

 

WHAT IS OUR THRESHOLD FOR DIAGNOSING THIS CONDITION?

 

PATIENT MANAGMENT: SYMPTOM RELEIF

 

PATIENT MANAGEMENT: DISEASE TREATMENT

 

PATIENT MANAGEMENT: PROPHYLACTIC MEASURES

 

COULD THIS HAVE BEEN PREVENTED?

 

ARCHIVE OF STANDARDIZED EXAM QUESTIONS 

This archive compiles standardized exam questions that relate to this topic.

 

Page Updated: 02.19.2017