Table 2.
Characteristics of the included studies: index test
| Study ID | US Device | US Exam | US Operator | US Time | Positive Index Test |
|---|---|---|---|---|---|
| Ahn [30] | Echocardiography Device | POCUS | EM physician; EM resident | Not reported | RWMA only |
| Allen [56] | Not Reported | Not Reported | Not Reported | Not reported | Not Reported |
| Atar [76] | Handheld—Cart/Tray | TTE | Cardiologist | At admission | RWMA and/or LVEF reduction |
| Bracey [28] | Handheld—Cart/Tray | POCUS | EM physician | Not reported | RWMA only |
| Castini [27] | Echocardiography Device | Limited TTE | Cardiologist | Not reported | RWMA only |
| Cevrim [57] | Handheld—Cart/Tray | Limited TTE | EM physician | Not reported | RWMA only |
| Chandra [77] | Not Reported | Not Reported | EM physician | Not reported | RWMA and/or LVEF reduction |
| Dahlslett [58] | Echocardiography Device | Limited TTE | Not Reported | Not reported | RWMA only |
| DeLoizaga [59] | Not Reported | POCUS | EM physician | Not reported | RWMA only |
| DiPasquale [23] | Echocardiography Device | TTE | Cardiologist; Cardiology fellow | At admission | RWMA only |
| Hickman [61] | Echocardiography Device | TTE | Other: Experienced Operator | Not reported | RWMA only |
| Kang [62] | Echocardiography Device | TTE | Not Reported | < 12 h | RWMA only |
| Kontos [63] | Echocardiography Device | Limited TTE | Cardiology fellow; Sonographer | < 4 h | RWMA and/or LVEF reduction |
| Korosoglou [64] | Echocardiography Device | Limited TTE | Not Reported | Not reported | RWMA only |
| Kountana [65] | Not Reported | Not Reported | Not Reported | Not reported | RWMA only |
| Lee [66] | Echocardiography Device | TTE | Cardiology; sonographer | Not reported | RWMA only |
| Mahmoud [24] | Echocardiography Device | TTE | Sonographer | At admission | RWMA and/or LVEF reduction |
| Mohler [29] | Echocardiography Device | TTE | Sonographer | At admission | RWMA only |
| Oh [67] | Echocardiography Device | TTE | Cardiologist | Not reported | RWMA only |
| Onishi [68] | Echocardiography Device | Not Reported | Not Reported | Not reported | RWMA only |
| Peels [69] | Echocardiography Device | Limited TTE | Not Reported | At admission | RWMA only |
| Sabia [70] | Echocardiography Device | TTE | Not Reported | At admission | RWMA only |
| Santana [26] | Not Reported | TTE | Not Reported | Not reported | RWMA only |
| Sasaki [25] | Echocardiography Device | Limited TTE | Not Reported | < 8 h | RWMA only |
| Shiran [71] | Echocardiography Device | TTE | Not Reported | < 24 h | RWMA only |
| Sobczyk [72] | Echocardiography Device | POCUS | EM resident | At admission | RWMA only |
| Swinburn [73] | Echocardiography Device | TTE | Other: Experienced Operator | At admission | RWMA only |
| Weston [74] | Handheld—Cart/Tray | POCUS | Other: 3rd year medical student | Not reported | RWMA and/or LVEF reduction |
| Wilben [75] | Echocardiography Device | TTE | Sonographer | At admission | RWMA only |
US Ultrasound, TTE Transthoracic Echocardiography, POCUS point-of-care ultrasound, RWMA Regional Wall Motion Abnormalities, LVEF Left ventricle ejection fraction