Apply source control, patient placement, and transmission-based escalation for respiratory symptoms at arrival.
Front-door risk A coughing patient enters a busy clinic before a diagnosis exists. The waiting room is a pathway unless source control starts early. Decision logic Source control -> separation -> route escalation Respiratory symptoms require action before certainty. Use standard precautions first, then add route-specific controls when the presentation suggests them. Weak shortcut Wait for diagnosis before changing the room flow. The pathway is reduced while assessment continues. You do not need a confirmed diagnosis to reduce a plausible transmission pathway. Recognize Step 1 The patient is coughing hard at the desk and has not been triaged. What is…
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