37 articles — Medical Conditions
Missed antipsychotic causes dopaminergic supersensitivity and more severe psychotic relapse. Learn to recognize, manage, and prevent this pr...
Primary amenorrhea with normal puberty and pelvic pain demands immediate genital examination. See the complete differential diagnosis and de...
Pulmonary contusion creates weakened parenchyma that can progress to pneumothorax — especially with BiPAP. Understand progression, recogniti...
CA-MRSA is the most common cause of skin abscesses and is resistant to cephalexin. Learn why Bactrim is correct and how to drain safely with...
Flail chest may appear stable in the first hours while pulmonary contusion silently progresses. Understand the pathophysiology and managemen...
Campylobacter is the most common bacterial cause of diarrhea worldwide. Understand the dysenteric pattern, fluoroquinolone resistance, and t...
Imperforate hymen causes hematocolpos and primary amenorrhea in adolescents. Diagnosis is clinical by external genitalia inspection, and tre...
Methamphetamine psychosis is indistinguishable from acute schizophrenia and can persist weeks after use. Understand pathophysiology, diagnos...
Why can rib pain in sickle cell patients be lethal? Understand Acute Chest Syndrome, where sickled cells clog the lungs, requiring urgent bl...
Why can giving the wrong blood pressure medicine instantly kill a patient with a pheochromocytoma? Understand the dangerous tumor that flood...
Why is a 'silent chest' the most terrifying sound in an asthma attack? Understand air trapping and how doctors use magnesium and adrenaline ...
Why does urine turn the color of Coca-Cola after an electrical shock? Understand how electrocution boils muscles from the inside out and cau...
ER Explained.com is an educational resource based on television series and medical literature. All content is provided strictly for informational and educational purposes and does not replace, under any circumstances, the diagnosis, treatment, or guidance of qualified healthcare professionals. If you are experiencing a medical emergency, call 911 immediately or go to your nearest emergency room.