Pulmonary hypertension and exercise intolerance in patients with heart failure
Javed Butler, MDa,
Don B. Chomsky, MDa and
John R. Wilson, MD, FACCa
a Division of Cardiology, Vanderbilt University Medical Center, Nashville, Tennessee, USA

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Figure 1 Resting and peak exercise cardiac output in the patient population (n = 320).
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Figure 2 Effect of exercise on pulmonary vascular resistance.
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