Feasibility of a quality improvement project to increase adherence to evidence-based pulmonary embolism diagnosis in the emergency department

Table 3 Distribution of CTPAs by presenting complaint in 2018

CEDIS description	CTPAs (n)	CTPAs (%)
Chest pain (cardiac features)	261	25
Chest pain (non-cardiac features)	98	9
Shortness of breath	366	35
Palpitations/irregular heart beat	43	4
Syncope/pre-syncope	30	3
Hemoptysis	16	2
Cardiac arrest (non-traumatic)	7	1
Respiratory arrest	1	0
General weakness	43	4
Back pain	24	2
Cough/congestion	18	2
Abdominal pain unspecified	25	2
Hyperventilation*	0	0
Other	105	10
Total	1037

CEDIS Canadian Emergency Department Information System, CTPA computed tomography pulmonary angiography
*Hyperventilation was added even if it is seldom used in our emergency departments and no CTPA was ordered. The rationale is that it can be a typical presentation of PE