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"It felt like someone hit me in the back of the head with a baseball bat." Emergency physicians hear descriptions like that more often than many people realize. Patients experiencing a subarachnoid hemorrhage frequently describe an explosive headache that begins without warning. They may tell doctors it is the worst headache they have ever experienced. Some become nauseated. Others vomit, lose consciousness, or complain that bright lights make the pain unbearable. Unfortunately, not every patient receives the urgent evaluation that these symptoms demand. Instead, some are diagnosed with a migraine, dehydration, sinusitis, tension headache, or even anxiety. They are treated...

Most people have never heard of Fournier's gangrene until it happens to them or someone they love. It often begins with something that appears relatively minor—a painful boil, an ingrown hair, a small cut, or tenderness near the groin. Within hours or days, however, that seemingly ordinary infection can spread through the body's soft tissues with astonishing speed. By the time some patients return to the emergency room, they are fighting for their lives. Fournier's gangrene is one of the most aggressive infections physicians encounter. It is a form of necrotizing fasciitis that affects the perineum, genitals, buttocks, and surrounding...

HELLP syndrome is a life-threatening pregnancy complication that can develop rapidly before, during, or shortly after childbirth. Its name comes from the three hallmark findings: Hemolysis (destruction of red blood cells), Elevated Liver enzymes, and Low Platelet count. HELLP syndrome is often considered a severe form of preeclampsia, although it can occur without all of the classic signs of preeclampsia. Without prompt diagnosis and treatment, HELLP syndrome can lead to liver rupture, stroke, kidney failure, placental abruption, disseminated intravascular coagulation (DIC), maternal death, fetal death, and premature delivery. Because its symptoms often resemble the flu, gallbladder disease, indigestion, or viral...

Ludwig's angina is a rapidly progressing bacterial infection of the floor of the mouth and tissues beneath the tongue. Although it often begins as a routine dental infection, Ludwig's angina can quickly spread into the neck, causing severe swelling that obstructs the airway. Without prompt diagnosis and treatment, patients can suffer respiratory failure, sepsis, permanent disability, and death. Because the early symptoms often resemble a toothache, dental abscess, or sore throat, healthcare providers may underestimate the severity of the infection. When emergency physicians, dentists, oral surgeons, urgent care providers, or hospitals fail to recognize the warning signs, the consequences can...

Epiglottitis is a rapidly progressing and potentially fatal medical emergency that occurs when the epiglottis—a small flap of tissue located at the base of the tongue—becomes inflamed and swollen. As the swelling worsens, it can completely block the airway, preventing oxygen from reaching the lungs. Without prompt diagnosis and treatment, patients can suffer respiratory arrest, brain injury, and death. Although epiglottitis was once seen primarily in young children, widespread vaccination against Haemophilus influenzae type b (Hib) has significantly reduced pediatric cases. Today, epiglottitis occurs more frequently in adults, where its symptoms are often mistaken for strep throat, tonsillitis, viral pharyngitis,...