[Correlations between hemodynamic parameters and "a" wave in the right apicocardiogram in patients with arterial pulmonary hypertension (author's transl)].

In a group of patients with arterial pulmonary hypertension of various origin, the relationship between the relative magnitude of the "a" wave of the right apex-cardiogram (ACG) to the total deflection of the ACG ("a/H ratio") to both the right atrial "a" wave and the right ventricular end-diastolic pressure was studied. Both correlations were statistically significant. The results obtained confirm the ACG value in the non invasive study of the right ventricular function.