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Medical students' knowledge of the principles of ultrasound required to use PoCUS. This figure shows medical students' knowledge of the principles of ultrasound. Knowledge was self-reported on a 5-point Likert Scale. Data are presented as mean ± standard deviation. ALARA: As low as reasonably achievable, CW: Continuous wave, GI: Gastrointestinal, GU: Genitourinary, PW: Pulsed wave, US: Ultrasound
