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Cerebral Vascular Insufficiency Learning Center
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A head injury is any trauma that leads to injury of the scalp, skull, or brain. The injuries can range from a minor bump on the skull to serious brain injury. Head injury is classified as either closed or open (penetrating. A closed head injury me...
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Injury to the head may damage the scalp, skull or brain. The most important consequence of head trauma is traumatic brain injury. Head injury may occur either as a closed head injury, such as the head hitting a car's windshield, or as a penetratin...
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Sudden cardiac death (SCD) is an unexpected death due to heart problems, which occurs within one hour from the start of any cardiac-related symptoms. SCD is sometimes called cardiac arrest.
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Carbon monoxide (CO) poisoning occurs when carbon monoxide gas is inhaled. CO is a colorless, odorless, highly poisonous gas that is produced by incomplete combustion. It is found in automobile exhaust fumes, faulty stoves and heating systems, fir...
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Carbon monoxide is an odorless gas that causes thousands of deaths each year in North America. Breathing in carbon monoxide is very dangerous. It is the leading cause of poisoning death in the United States. This is for information only and not fo...
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General anesthesia is the induction of a balanced state of unconsciousness, accompanied by the absence of pain sensation and the paralysis of skeletal muscle over the entire body. It is induced through the administration of anesthetic drugs and is...
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General anesthesia is medicine that puts you into a deep sleep so you do not feel pain during surgery. When you receive this medicine, you will not be aware of what is happening around you.
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General anesthesia is the induction of a balanced state of unconsciousness, accompanied by the absence of pain sensation and the paralysis of skeletal muscle over the entire body. It is induced through the administration of anesthetic drugs and is...
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General anesthesia is the induction of a state of unconsciousness with the absence of pain sensation over the entire body, through the administration of anesthetic drugs. It is used during certain medical and surgical procedures.
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Choking is a condition caused by inhalation of a foreign object that partially or fully blocks the airway.
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Choking is when someone can't breathe because food, a toy, or other object is blocking the airway (throat or windpipe.
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Blockage of the throat or windpipe by an object. Choking is a major cause of death for children under three, and is a hazard for older children as well. Young children explore the world with their mouths, and they will naturally put in their mouth...
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Choking is the inability to breathe because the trachea is blocked, constricted, or swollen shut.
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An acute upper airway obstruction is a blockage of the upper airway, which can be in the trachea, voice box (laryngeal), or throat (pharyngeal) areas.
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A transient ischemic attack (TIA) is an episode in which a person has stroke -like symptoms for less than 24 hours, usually less than 1-2 hours. A TIA is often considered a warning sign that a true stroke may happen in the future if something is n...
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A transient ischemic attack (TIA), or "mini-stroke," is a neurologic episode resembling a stroke but resolving completely within a short period of time. By definition, symptoms of TIA resolve within 24 hours, and symptoms lasting longer than that ...
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Transient Ischemic Attacks (TIAs) are transient neurological deficits, such as temporary blindness of one eye (amaurosis fugax), hemiparesis, or aphasia. Most typically, these symptoms last for periods of minutes or even hours, and they may persis...
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A transient ischemic attack, or TIA, is often described as a mini-stroke. Unlike a stroke , however, the symptoms can disappear within a few minutes. TIAs and strokes are both caused by a disruption of the blood flow to the brain. In TIAs and most...
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