Urinalysis can be a ship for fools, Dr. Pregerson says in this month's podcast where he explains why you need logic not to miss true UTIs. Read more in the Show Notes.

Pain medications make patients feel better and want to go home, but Dr. Pregerson says don't send them home with more medication unless a definitive diagnosis was made because they may not come back if the medication masks that their condition has gotten worse. Read more in the Show Notes.

Dr. Pregerson logically dissects an aortic dissection, answering when to consider a chest CT, where to take the blood pressure, and when to do a pericardiocentesis, this month with bonus video! (https://bit.ly/EMNVideoGallery.) Read more in the Show Notes.

Dr. Pregerson asks—and answers—the important questions about intubation: Why is it important to synchronize a bag-valve-mask ventilation with the patient's breathing? Why is upright intubation better? Why you should use the SALAD technique, and what are the benefits of ketamine? Read more in the Show Notes.

Dr. Pregerson delves into minor and serious cases of hemoptysis, how to treat these patients, and why positioning is so critical. Read more in the Show Notes.

Dr. Pregerson explains why it's important to find out why patients want to leave AMA because that might help you change their mind. Either way, chart what patient says and your response and listen to his other tips for handling these discharges. Read more in the Show Notes.

Dr. Pregerson explains why troponin will sometimes be falsely negative early in an occlusion MI when the benefit of intervention is highest, how a urinalysis can lead you astray, and why some EMRs don't flag abnormally high bands. Listen in to hear all about these intriguing topics and read more in the Show Notes.

Lab values aren't just lab values, and there's a logic to understanding how to interpret them. Listen in to hear all about this fascinating topic and read more in the Show Notes.

It's true that EPs should be looking for horses when they hear hoofbeats, but sometimes they have to go on a zebra hunt, says Dr. Pregerson. Tune in to hear why gastroenteritis, anxiety, and dehydration should set off your Spidey senses. Listen in to hear the answers and read more in the Show Notes.

Why are most bleeding gastric ulcers painless? Why do people have a vasovagal reflex in the first place? Dr. Pregerson says there are logical answers that he can't prove are right but most likely are. Listen in to hear the answers and read more in the Show Notes.