The eMedicine point-of-care clinical reference features up-to-date, searchable, peer-reviewed medical articles organized in specialty-focused textbooks, and is continuously updated with …

Neurology articles covering symptoms, diagnosis, staging, treatment, prognosis, and follow-up. Peer reviewed and up-to-date recommendations written by leading experts.

Dermatology articles covering symptoms, diagnosis, staging, treatment, prognosis, and follow-up. Peer reviewed and up-to-date recommendations written by leading experts.

Bacterial pneumonia (see the image below) is caused by a pathogenic infection of the lungs and may present as a primary disease process or as the final, fatal disorder primarily in an …

Jun 7, 2023 · Otitis media (OM) is the second most common disease of childhood, after upper respiratory infection (URI). OM is also the most common cause for childhood visits to a …

Jan 9, 2025 · Hyponatremia is defined as a serum sodium level of less than 135 mEq/L and is considered severe when the serum level is below 125 mEq/L. Many medical illnesses, such as …

May 23, 2014 · Hyperkalemia is defined as a serum potassium concentration higher than the upper limit of the normal range; the range in infants and children is age-dependent, whereas …

Mar 11, 2025 · Herpes zoster is a viral infection that develops when the varicella-zoster virus reactivates from its latent state in a posterior dorsal root ganglion. [1, 2, 3] It usually is a painful …

Mar 13, 2023 · Hypokalemia is generally defined as a serum potassium level of less than 3.5 mEq/L (3.5 mmol/L). Moderate hypokalemia is a serum level of 2.5-3.0 mEq/L, and severe …

Sep 11, 2023 · Costochondritis is inflammation of the costal cartilage at the articulation of the ribs and sternum. [1] It is an important consideration in the differential diagnosis of chest pain, as in …