What is Stroke?
A stroke is referred to as the condition when the supply of blood to any particular part of the brain is reduced or interrupted which in turn deprives the tissues of the brain of oxygen and essential nutrients. Within a few minutes of the stroke, the cells of the brain begin to die out resulting in the need of an emergency treatment which can save the brain from being damaged and further potential complications. An extremely prompt treatment is crucial for saving the life of a patient to whom the stroke has occurred.
Types of Stroke and Its Causes
In general, there are three main types of stroke which are as detailed below.
More than about 80 per cent of the stroke that occurs is ischemic stroke which is caused by the arteries of the brain being blocked or narrowed resulting in the reduction of flow of blood. Ischemic stroke is again divided into two types which are as follows.
A haemorrhagic stroke occurs at the time when a blood vessel in the brain is ruptured which are caused due to the following.
In a few of the cases, haemorrhagic stroke is caused by the bursting of the brain and spills into the surrounding tissue of the brain. The different types of haemorrhagic stroke include:
Transient ischemic attack (TIA)
A transient ischemic attack is sometimes referred to as a mini-stroke which results in a temporary decrease in the supply of blood to a specific part of the brain. In this case, a clot is formed as in case of an ischemic stroke but there is no permanent damage to the tissue and the symptoms do not last long.
Symptoms to Look for
It is quite important to have a close look at the signs and symptoms of stroke which would be extremely helpful for proceeding with the steps of diagnosis and treatment. Some of the most common symptoms for stroke are as listed below.
Apart from the major symptoms that are mentioned above, there are a number of other minor signs and symptoms of occurrence of a stroke.
There are a number of treatment procedures followed by the expert doctors which are as discussed below.
In case of an ischemic stroke, the following emergency treatment along with proper medications are usually applied.
For haemorrhagic stroke, the treatment procedure is focused on controlling of the bleeding occurring in the brain and involves the following.
In an addition to this, the specialised doctors for stroke carry out procedures like clot evacuation and hemicraniectomy which are based on the condition of the severity of the stroke that has taken place and the condition of the patient. An effective and timely treatment in case of a stroke can help the affected individual to get cured steadily without causing any further damage to cells of the brain.
Authored By Dr Somesh Vanchilingam - Neuro Specialist, Thanjavur
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