Cardiac output (CO) is routinely assessed by pulsed-wave Doppler echocardiography, yet reference values in adults are lacking. We aim to establish normative of CO and cardiac index (CI) Doppler-echocardiography analyze their relation with gender age nonobese obese adults. included 4,040 (mean age: 55 years, 53% women, 950 [body mass ?30 kg/m²]) normal blood pressure, no history cardiovascular d...