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C5. 60/60 Sign (TRPG+PAAT)

A5. 60/60 sign

Suggests acute right ventricular dysfunction
TR pressure gradient (TRPG) ≤ 60 mmHg (TRVmax ≤ 3.9 m/sec)
Pulmonary artery acceleration time (PAAT) ≤ 60 msec