Table 2.

Search strategy.

Concept 1 (cardiac MRI)	“Magnetic Resonance Imaging, Cine”[MeSh] OR cardiac MR*[title/abstract] OR CMR[title/abstract] OR ((cardiac[Title/Abstract] OR heart[Title/Abstract]) AND (Magnetic Resonance Imaging*[Title/Abstract] OR MRI*[Title/Abstract]))
AND
Concept 2 (echocardiography)	“Echocardiography”[MeSh] OR “Echocardiography, Transesophageal”[MeSh] OR echocardi*[title/abstract] OR “Cardiac Imaging Techniques”[MeSh]
AND
Concept 3 (ischemic stroke)	“Stroke”[Mesh] OR “Cerebrovascular Disorders”[MeSh] OR “Intracranial Embolism and Thrombosis”[Mesh] OR “stroke”[title/abstract] OR ischemic stroke[Title/Abstract] OR brain infarction*[Title/Abstract]
Date filter	“2001/01/01”[PDAT]: “2021/04/24”[PDAT] AND
Further filters	“humans”[MeSH Terms] AND (English[lang] OR French[lang] OR German[lang] OR Spanish[lang]

Combination of Medical Subject Headings and keywords for the concepts of cardiac MRI, echocardiography and ischemic stroke.