Table 2

Risk stratification of pulmonary embolism1

Early mortality risk		Indicators of risk
Early mortality risk		Haemodynamic instability	Clinical parameters of PE severity and/or comorbidity	RV dysfunction of TTE or CTPA	Elevated cardiac troponin levels
High		+	(+)	+	(+)
Intermediate	Intermediate-high	–	+	+	+
Intermediate	Intermediate-low	–	+	One or neither +
Low		–	–	–	–

Colours provides a traffic light system to draw attention to the severity of the condition.
CTPA, CT pulmonary angiogram; PE, pulmonary embolism; RV, right ventricular ; TTE, Trans thoracic echocardiography.