TOPIC OVERVIEW .
Fainting, or syncope, is a sudden and temporary loss of consciousness. This usually occurs due to a lack of oxygen reaching the brain. Many things can cause oxygen deprivation to the brain, including low blood pressure. Fainting is not usually serious.
Typically, Feeling lightheaded, dizzy, weak, or nauseous sometimes happens before you faint. Some people become aware that noises are fading away, or they describe the sensation as “blacking out” or “whiting out.” A full recovery usually takes a few minutes.
Typically, Feeling lightheaded, dizzy, weak, or nauseous sometimes happens before you faint. Some people become aware that noises are fading away, or they describe the sensation as “blacking out” or “whiting out.” A full recovery usually takes a few minutes.
OBJECTIVES .
In this video we show shares how to identify signs of fainting and demonstrates what to do if someone has fainted. Fainting is when someone briefly becomes unresponsive, often causing the person fall to the ground. It happens because for a moment there is not enough blood flowing to the brain.
REQUIRED MATERIALS .
Students require a file and/or folder, pen and paper and this will form the basis of the student's "Best Book".
CONTENT (LESSON BODY) .
ASSESSMENT .
All NPF officers should learn, practice and understand the content of this video.
The assessment, which will be undertaken, is both a written and practical test with a final exam.
The assessment, which will be undertaken, is both a written and practical test with a final exam.
SUMMARY & TAKEAWAY .
Fainting, "blacking out," or syncope is the temporary loss of consciousness followed by the return to full wakefulness. This loss of consciousness may be accompanied by loss of muscle tone that can result in falling or slumping over. To better understand why fainting can occur; it is helpful to explain why somebody is awake.
The brain has multiple parts, including two hemispheres, the cerebellum, and the brain stem. The brain requires blood flow to provide oxygen and glucose (sugar) to its cells to sustain life. For the body to be awake, an area known as the reticular activating system located in the brain stem needs to be turned on, and at least one brain hemisphere needs to be functioning. For fainting or syncope to occur, either the reticular activating system loses its blood supply, or both hemispheres of the brain are deprived of blood, oxygen, or glucose. If blood sugar levels are normal blood flow must be briefly disrupted to the whole brain or to the reticular activating system for fainting to occur.
Fainting is not caused by head trauma, since loss of consciousness after a head injury is considered a concussion. However, fainting can cause injury if the person falls and hurts themselves, or if the faint occurs while participating in an activity like driving a car.
Fainting is differentiated from seizure, during which the person may lose consciousness.
The brain has multiple parts, including two hemispheres, the cerebellum, and the brain stem. The brain requires blood flow to provide oxygen and glucose (sugar) to its cells to sustain life. For the body to be awake, an area known as the reticular activating system located in the brain stem needs to be turned on, and at least one brain hemisphere needs to be functioning. For fainting or syncope to occur, either the reticular activating system loses its blood supply, or both hemispheres of the brain are deprived of blood, oxygen, or glucose. If blood sugar levels are normal blood flow must be briefly disrupted to the whole brain or to the reticular activating system for fainting to occur.
Fainting is not caused by head trauma, since loss of consciousness after a head injury is considered a concussion. However, fainting can cause injury if the person falls and hurts themselves, or if the faint occurs while participating in an activity like driving a car.
Fainting is differentiated from seizure, during which the person may lose consciousness.
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