A stroke is a medical emergency in which a crack occurs in the blood vessels of the brain. This crack blocks the blood supply in the brain preventing the blood, oxygen, and nutrients to reach the brain. Brain cells are damaged in the absence of oxygen and die within one minute. The early treatment will reduce further damage to the brain.
What are the types of stroke?
There are three types of stroke and these are:
1. Ischemic Stroke: In ischemic stroke, the root cause of blockage is either a clot or plaque in the artery. Ischemic stroke is the most common type of stroke.
2. Hemorrhagic Stroke: In hemorrhagic stroke, the blood vessels either exude or discharge blood vessels that leak into the brain. It occurs due to:
- Unrestricted high blood pressure.
- Trauma .i.e. car accident.
- Accumulation of protein in the blood vessel's wall causes weakness in the wall.
- Ischemic stroke.
3. Transient Ischemic Attack: It is the ministroke and occurs due to a short-term decrease of blood supply in the brain and lasting for a little time .i.e. for five minutes. It indicates that a stroke will occur soon. It occurs when blood flow toward the part of the brain is interrupted.
What are the sign and symptoms of a stroke?
The sign and symptoms of a stroke are:
- Paralysis
- The patient will face difficulty while speaking and slurred speech.
- Sudden development of numbness, weakness, or paralysis in the face, arm, or leg.
- The patient will be confused and become unresponsive.
- There will be changes in the behavior and an increase in the state of anxiety.
- Immediate vision issue. i.e. blurred or blackened vision with one or both eyes or double vision.
- Depriviating balance or coordination, and trouble walking
- Severe, and instant headaches that go along with nausea, vomiting, dizziness, or altered consciousness.
What are the causes of stroke?
The causes of stroke are generally the types of stroke. The further causes include:
- Blood Pressure: High blood pressure .i.e. 130/80 or more than that.
- Smocking: Smocking or the use of tobacco increase the risk of stroke. The nicotine raises the blood pressure and cigarette smoking accumulates the fat in the neck artery and makes the blood thicker.
- Heart Disease: Heart disease with faulty heart valves, arterial fibrillation, and irregular heartbeat also cause a stroke.
- Diabetes: In diabetes, people suffer from high blood pressure, are overweight, have high blood sugars, and damage blood vessels. All of these increase the risk of stroke.
What are the risk factors for stroke?
Alcohol Consumption:
Drinking heavy alcohol increase the risk of stroke. The moderate use of alcohol is not associated with stroke. Heavy alcohol elevates blood pressure and triglycerides levels which increases the chances of stroke.
Family History:
If one member of the family had a stroke, then chances are high for their offspring because of the defective genes and high blood pressure.
Aging:
The risk in older people is more as compared to young people.
Previous stroke or TIA:
If someone already suffered from a mini-stroke or transient ischemic attack then the person has a high risk of developing the stroke.
Treatment of Stroke:
The treatment of stroke depends on the type of stroke the patient is having.
Treatment of ischemic stroke:
The goal in the treatment of ischemic stroke is to break the clots and to bring back blood flow in the brain that can be carried out through medications, mechanical thrombectomy, stents, and surgery.
Treatment of hemorrhagic stroke:
Controlled bleeding is the prime focus in the treatment of hemorrhagic stroke as well as minimizing the pressure in the brain that was increased due to too much fluid. The treatment options are blood-thinning medications and those drugs which decrease the pressure in the brain. The other options are surgery, endovascular embolization, stereotactic radiosurgery, surgical clipping, and surgical AVM removal.
What to do after the emergency treatment?
When the emergency treatment finishes, there comes the rehabilitation stage to recover as much as possible so the person can back to normal living and function normally. Before discharging, from the hospitals the patient enters into the rehabilitation program. The patient can get the rehabilitation program at home. Since the patient's ability to recover from a stroke is different, their rehabilitation program is also different, and depending on their present condition the program might include:
- Neurologist
- Physiatrist or rehabilitation doctor
- Nurse
- Dietitian
- Physical therapist
- Speech therapist
- Occupational therapist
- Recreational therapist
- Psychologist
- Social worker
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