title: A technique for direct measurement of left atrial pressure after cardiac operations.
abstract: A grooved director bent to a "hockey stick" configuration serves as an effective catheter guide to assure accurate placement of a left atrial pressure measuring catheter.
mesh_terms: D001795:Blood Pressure Determination / Q000379:methods*; D006328:Cardiac Catheterization; D006348:Cardiac Surgical Procedures; D006325:Heart Atria; D006801:Humans