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Cuts over a joint don’t need medical care.

Regardless of the type of bleeding, or the type of wound, the first aid is still the same. First and foremost, you must control the bleeding.

Vomited blood may be bright red or dark red, or look like coffee grounds.

Capillary bleeding initially spurts several feet from the wound.

An AED is an electronic device that analyzes the heart rhythm and, if necessary, recommends the operator deliver an electric shock, known as defibrillation. to the heart of a person in cardiac arrest.

The heart is an organ with four hollow chambers.

Without oxygen, the brain will be irreparably damaged in 4-6 minutes.

Causes of shock can be both cardiovascular and noncardiovascular.

In a mild airway obstruction, good air exchange is not present.

Anaphylactic shock is not life-threatening.