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Indicate the normal pressures of the right circulatory system obtained by a flow-directed pulmonary artery (Schwann-Ganz) catheter.
EXPERT SOLUTION
The normal pressures of the right circulatory system obtained by a flow-directed pulmonary artery (Schwann-Ganz) catheter are as follows: right atrial pressure (RAP) of 0-8 mmHg, right ventricular end-diastolic pressure (RVEDP) of 5-12 mmHg, pulmonary artery systolic pressure (PASP) of 20-30 mmHg, pulmonary artery diastolic pressure (PADP) of 8-15 mmHg, pulmonary artery wedge pressure (PAWP) of 5-15 mmHg, and pulmonary artery occlusion pressure (PAOP) of 8-15 mmHg.
The right atrial pressure (RAP) is the pressure in the right atrium of the heart. It is usually measured in millimeters of mercury (mmHg). The normal range for RAP is 0-8 mmHg. The right ventricular end-diastolic pressure (RVEDP) is the pressure in the right ventricle of the heart at the end of diastole. The normal range for RVEDP is 5-12 mmHg.
The pulmonary artery systolic pressure (PASP) is the pressure in the pulmonary artery during systole. The normal range for PASP is 20-30 mmHg. The pulmonary artery diastolic pressure (PADP) is the pressure in the pulmonary artery during diastole. The normal range for PADP is 8-15 mmHg.
The pulmonary artery wedge pressure (PAWP) is the pressure in the pulmonary artery at the point where the pulmonary artery branches off from the left atrium. The normal range for PAWP is 5-15 mmHg. The pulmonary artery occlusion pressure (PAOP) is the pressure in the pulmonary artery when the pulmonary artery is occluded. The normal range for PAOP is 8-15 mmHg.
These normal pressures of the right circulatory system obtained by a flow-directed pulmonary artery (Schwann-Ganz) catheter are important for assessing the function of the right side of the heart and the pulmonary circulation. They can help diagnose and monitor conditions such as pulmonary hypertension, heart failure, and pulmonary embolism.
