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Fig. 1 | BMC Medical Imaging

Fig. 1

From: Focused cardiac ultrasound by unselected residents—the challenges

Fig. 1

For each of the four categories defined to study diagnostic usefulness we have depicted the concordance (boxes equally marked) or discordance (boxes not equally marked) of diagnoses set pre-FoCUS, post-FoCUS and at discharge. In category 1 and 2, no diagnostic usefulness is observed as pre-FoCUS diagnosis is not changed. In category 3, diagnosis is changed correctly on the basis of a FoCUS examination. Finally, in category 4 the diagnosis is erroneously changed from the correct pre-FoCUS diagnosis

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