Abdominojugular test
Abdominojugular test | |
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right ventricle dysfunction |
The abdominojugular test, also known as abdominojugular reflux (AJR), is a physical examination test useful in diagnosing
AJR is a test for measuring
Reflux in this context means backup of the circulatory system and is not to be confused with reflex.[3]
Procedure
The patient is asked to lie down at 30 degrees with his/her head tilted 45 degrees to the left. Then an oblique light is used to illuminate the jugular region of the neck to help in identifying the internal jugular vein. Care must be taken not to confuse it with the external jugular, whose beating is more easily seen under the skin due to it being more superficial. In patients with severe right heart congestion, observation of the internal jugular might not be feasible due to its distention all the way into the upper neck and skull.[citation needed]
The clinician presses firmly over either the
On an otherwise healthy individual, the jugular venous pressure remains constant or temporarily rises for a
A positive result is variously defined as either a sustained rise in the JVP of at least 3 cm or more