The Journal of family practice
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    To better understand the capabilities and challenges of artificial intelligence and machine learning, we look at the role they can play in screening for retinopathy and colon cancer. 
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    What physical findings should raise your suspicion? How are tumors treated and what follow-up care can you provide? Here's what you need to know. 
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    We typically take a blood pressure within 3 minutes of a patient rising from a supine to a standing position. But is that too long? 
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    A recent study says that in certain populations, supplemental oxygen above certain levels can increase mortality. 
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    When used in conjunction with the standard of care, 1 g intravenous (IV) tranexamic acid given 1 to 3 hours after delivery is associated with a significant reduction in maternal mortality from postpartum hemorrhage (PPH) (strength of recommendation: A, randomized controlled trial [RCT] and Cochrane review).