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 ...

Generations of doctors have talked about “shock,” but they have never agreed on what they mean by it. Trying to be more precise, some have distinguished different types such as those caused by fright ...

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.

Cardiogenic shock is characterized by depression of cardiac function that leads to low blood pressure, coronary ischemia, and further decreased cardiac contractility resulting in tissue hypoxemia. The ...