What is the entry point for performing a right heart catheterization?

The entry point for performing a right heart catheterization is through a vein into the right side of the heart. This procedure typically involves inserting a catheter into a large vein, such as the jugular or femoral vein, and advancing it into the right atrium. From there, the catheter can be further advanced into the right ventricle and pulmonary artery.

This approach allows healthcare providers to assess pressures in the heart chambers, obtain blood samples, and measure cardiac output among other diagnostic and therapeutic purposes. Right heart catheterization is crucial for evaluating various cardiovascular conditions, including heart failure and pulmonary hypertension.

The other options are related to different cardiovascular procedures or interventions. For example, the aorta is significant in left heart catheterization, which involves accessing the coronary arteries. The radial artery is often used for arterial access in procedures like left heart catheterization or coronary angiography, rather than right heart catheterization.