If you or someone you know experiences allergies, you've probably heard of the life-threatening reaction called anaphylactic shock. To help you better understand exactly what this condition is and how ...

Hemorrhagic shock can occur after losing a significant amount of blood. Both internal and external bleeding can cause it. Hemorrhagic shock is life threatening and requires immediate medical attention ...

Dear Dr. Roach: I was diagnosed with atrial fibrillation in January 2012. I am aware of when it comes by how I feel — a little out of sorts, but no shortness of breath, chest pain or light-headedness.

The effects of an electric shock vary depending on its source and severity. For example, shocks from light switches may be mild, while contact with industrial power sources can cause severe effects.