Fig. 1

Study population
TTE: transthoracic echocardiogram; RVSP: right ventricular systolic pressure; normal RVSP: RVSP < 35 mmHg
Study population
TTE: transthoracic echocardiogram; RVSP: right ventricular systolic pressure; normal RVSP: RVSP < 35 mmHg