Academic emergency medicine : official journal of the Society for Academic Emergency Medicine
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To assess whether contact with a health care provider or gatekeeper increases the use of an ambulance for patients with acute chest pain. ⋯ Of patients presenting to an ED for evaluation of chest pain, those who made contact with a health care provider were less likely to arrive via ambulance.
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To compare 2 clinical wound scales and to determine a minimal clinically important difference (MCID) on the visual analog cosmesis scale. ⋯ An MCID on the VAS cosmesis scale is 15 mm. Studies should be designed to have a sample size and power to detect this difference.
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To determine the test performance of a single serum progesterone value <5.0 ng/mL for detecting ectopic pregnancy or other abnormal pregnancies in symptomatic ED patients with beta-hCG levels <1,000 mIU/mL. ⋯ A single progesterone value <5.0 ng/mL has high sensitivity and specificity in detecting abnormal pregnancy in symptomatic ED patients with beta-hCG values <1,000 mIU/mL.