Table 1.

Right heart catheterization

(Case 1) Acute RV Failure from RV Myocardial Infarction	Pretreatment	Post Treatment*
Right atrial pressure, mm Hg	10	18
Pulmonary artery pressure (mean), mm Hg	19/13 (15)	24/16 (19)
Pulmonary capillary wedge pressure, mm Hg	12	14
Transpulmonary gradient, mm Hg	3	5
Cardiac output, L/min	1.5	2.9
Cardiac index, L/min/m2	0.9	1.7
Pulmonary vascular resistance, WU	2.0	1.7
(Case 2) Chronic RV failure from PAH	Pretreatment	Post Treatment†
Right atrial pressure, mm Hg	20	4
Pulmonary artery pressure (mean), mm Hg	62/30 (41)	77/32 (47)
Pulmonary capillary wedge pressure, mm Hg	18	12
Transpulmonary gradient, mm Hg	23	35
Cardiac output, L/min	3.4	6.8
Cardiac index, L/min/m2	1.8	3.2
Pulmonary vascular resistance, WU	6.8	5.1

Definition of abbreviations: PAH = pulmonary arterial hypertension; RV = right ventricle; WU = Wood units.

^*After 1.75 L of fluid.

^†After inotrope-assisted diuresis.