What is a Stroke
A stroke, commonly known as a brain attack, is a serious condition characterized by the blockage of blood vessels due to the cessation of oxygen supply to a specific area of the brain. This results in a malfunction in that brain area and is therefore an emergency. If not treated immediately, it can be fatal
What are the 3 types of stroke?
There are mainly three types of stroke:
ischemic stroke
hemorrhagic stroke and
TIA (transient ischemic attack)
Ischemic Stroke - It is the most common type of stroke, accounting for more than 85% of strokes worldwide. This type of stroke is the result of blocked or narrowed arteries, which supply blood to the brain. Arterial stenosis (narrowing) then results in severe, reduced blood flow to the brain. Blockages in arteries are often caused by blood clots. These clots can form within the main arteries that connect to the brain, or in narrowed arteries within the brain. These clots are mainly caused by fatty deposits within the arteries, known as medical plaques.
Hemorrhagic stroke - This type of stroke is mainly caused by a leak or rupture of the arteries that carry blood within the brain. The leakage of blood from the arteries puts pressure on the brain and damages brain tissue. During a hemorrhagic stroke, blood vessels can rupture in the center of the brain or near the surface of the brain cells, causing blood to leak into the cellular space between the brain and the skull. Hemorrhagic stroke can be caused by conditions such as trauma, high blood pressure, weakness in blood vessel walls (Aneurysm), or blood thinning medications such as heparin and others. Intracerebral hemorrhage is the most common type of hemorrhagic stroke. Subarachnoid hemorrhage, which is less common, is the next type that occurs during a stroke. In this case, the bleeding occurs in the area between the brain and the thin tissue that separates it from the bones of the cranium, known medically as the subarachnoid space.
TIA (transient ischemic attack) - TAIs are slightly different from the other two types of stroke. In this condition, blood flow to the brain is interrupted for a very short time, as in an ischemic stroke. TAI is often caused by small blood clots in the arteries. However, TAIs are still considered a medical emergency, as they can be a warning sign of a future stroke. Patients with TAI have been found to have major strokes within a year of developing TAI. As this is only a medical emergency, if you or someone around you notice symptoms of a stroke, call a doctor immediately.
Can stress cause stroke?
Stress is a mental state of a person that can be harmful to their health in some cases and can be helpful in other times, it stimulates the mind and makes it afraid to take any action. It is responsible for an abnormal increase in blood fat or cholesterol levels. This can increase the chance of a clot that can travel to the brain, resulting in damage to brain cells, and stroke.
Can you have a stroke in your sleep?
Few of all stroke cases occur in sleep. In fact, 14 percent of stroke cases are estimated to occur during sleep. In such a situation, the person wakes up with stroke symptoms, and the risk of death increases. In such cases of stroke, it is more difficult for a person to recover because the treatment does not show effect quickly despite all efforts.
What are the early symptoms of a stroke?
There are some warning signs that indicate a stroke such as numbness in the face area, legs, and arms, problems with understanding people, speech or confusion, dizziness, maintaining balance, etc. Fast is a word used for gestures. Like a stroke F = face (face congestion or uneven smile), A = arm (numbness or weakness), S = difficulty speaking (slurred speech), and T = time (speed). Other symptoms include memory loss, confusion, loss of sensation in a part of the body, blurred vision, involuntary eye movements, temporary loss of consciousness, etc., which act as indicators of a stroke.
What happens to the brain during a stroke?
The human brain is divided into three parts – the cerebrum, the cerebellum, and the brainstem. A stroke has different effects on different parts of the brain depending on the specific part it affects. The cerebrum is the part of the brain that controls movement and feelings, speech, thinking, reasoning, memory, vision and emotions, and functions such as vision, cognition, self-care abilities, and emotional control if the brain has had a stroke. Affects sexual ability etc.
If the seizure occurs in the right hemisphere of the cerebrum, it causes paralysis of the left side of the body along with the patient's inability to localize body parts, and understand maps and materials. On the other hand, the right side of the body becomes paralyzed and sensory loss occurs if the stroke occurs in the left hemisphere of the brain.
What is the treatment for stroke?
Doctors treat their patients based on the type of stroke. Patients with ischemic stroke should receive an intravenous injection of an anti-tissue plasminogen activator. Other emergency endovascular procedures include drugs delivered directly to the brain, clot removal with a stent retriever, carotid endarterectomy, etc. In the case of hemorrhagic stroke, warfarin and other antiplatelet drugs such as clopidogrel are injected to prevent blood clots, and surgical clipping, coiling, surgical removal of AVM, and stereotactic radiosurgery may be performed to repair blood vessels.
If you are suffering from a stroke you are finding a stroke specialist in Delhi so consult with Dr.Mukesh Kumar he is the best neurologist in Delhi. He has achieved excellence in the field of neurology over a period of 20 years in the management of brain disorders.
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