Right atrial line

Last revised by Dr Tom Foster on 27 Jul 2022

The right atrial (RA) line monitors RA pressure and is indicative of right ventricular function, preload and afterload. The RA line enters the right atrium through the right atrial appendage, and always exits the right side of the chest medial to the left atrial line. It is typically a double lumen catheter. The normal right atrial values are 1-7 mmHg.

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Cases and figures

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