Table 1.

Nomenclature in current European and American guidelines.

Nomenclature	Hemodynamic Instability	RVD	Elevated Troponin	PESI > Class II or sPESI > 0
European Society of Cardiology (ESC) 2019
High risk	+	(+)	(+)	+
Intermediate–high risk	−	+	+	+ *
Intermediate–low risk	−	One or none		+ *
Low risk	−	−	(−)	−
American Heart Association (AHA) 2011
Massive	+	(+)	(+)	NA
Submassive	−	One or both		NA
Low risk	−	−	−	NA

RVD: right ventricular dysfunction; PESI: pulmonary embolism severity index; sPESI: simplified pulmonary embolism severity index; NA: not assessed. * Presence of RVD despite PESI ≤ 2 or sPESI 0 classifies patients in intermediate-risk category.