In an era without ECG or routine x ray, Graham Steell linked heart sounds and pulse tracings to pathology, showing how ...

Key points A 69-year-old man presented to a dermatology clinic with a 1-day history of a painful erythematous rash. Four days ...

Propane fuel exposure can cause COPD and lead to symptom flare-ups, due to the toxic fumes and chemicals it contains. You can stay alert by watching for symptoms and get medical care and treatment if ...

A pulmonary contusion or lung contusion is a bruise in or on your lungs caused by blunt force to the chest. It is different than the tearing of lung tissue because a pulmonary contusion doesn’t affect ...

An airway obstruction happens when you can't move air in or out of your lungs. It could be because you inhaled something that's blocking your airway. Or it could be caused by disease, allergic ...