Cardiac Power Output in Cardiogenic Shock Patients

This study examines whether cardiac power output — a measurement taken during a right heart catheterization (a procedure where a thin tube is inserted into the heart's right side to measure blood flow and pressure) — can better predict outcomes in patients with severely weakened hearts who may need advanced treatments. **You may be eligible if...** - You are 18 or older with a reduced ejection fraction (heart pumping ability of 40% or less) - You are referred for right heart catheterization to evaluate whether you need advanced therapies like a heart pump, transplant, or IV heart medications - Your kidney function is adequate (eGFR ≥ 30 mL/min) **You may NOT be eligible if...** - You have very poor kidney function (eGFR below 30) - You have severe complications that make the procedure unsafe - You are not expected to be admitted to the hospital based on the catheterization results Talk to your doctor to see if this trial is right for you.