The study systematically reviews the use of hand-carried and hand-held ultrasound devices in low- and middle-income countries (LMICs), highlighting their clinical applications, geographical distribution, and impact on patient management. The review included 36 studies, showing these devices’ successful use in diagnosing and managing critical conditions, especially for obstetrical and abdominal issues, with a significant potential impact on clinical management. However, the evidence quality is low, and there is a need for larger clinical trials to better assess their effectiveness in resource-limited settings.
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