An Overview of Stroke- Causes & Types!
According to the best neurologist in South Delhi,
What is stroke?
In simple terms, stroke is a brain attack, just like a heart attack. It occurs when there is a sudden cessation of blood supply to the brain, due to which the affected brain cells get deprived of oxygen and die If stroke is not caught early, permanent brain damage or death can occur. A stroke can lead to subsequent effects like weakness, vision loss, and drowsiness, among others.
Types of strokes
There are two major types of strokes – ischemic and haemorrhagic. Ischemic stroke occurs when the blood supply to a particular region of the brain gets cut off. This leads to subsequent damage to the affected part of the brain.
On the other hand, a haemorrhagic stroke occurs when the blood vessels in a particular region of the brain bursts, resulting in bleeding. This further leads to the dysfunction of the affected part of the brain.
Risk factors of stroke
Listed below are the risk factors of stroke:
- Carotid and coronary artery disease
- Excessive alcohol intake
Acronym – Acting ‘FAST’
For prompt assistance to a person suffering from a stroke, one must remember the acronym FAST. It stands for:
- Facial Droop
- Arm/ Limb Weakness
- Speech difficulty
- Time to call Emergency services
Acting FAST can save a life. Apart from quickly recognizing the signs of a stroke, it becomes important that the afflicted person reaches the hospital within 3 to 4.5 hours.
The best neurologist in Delhi states that stroke is one of the major causes of death. There are various types of strokes that you need to know. And today, let us go through each of them as per the guidance of the neurologist in South Delhi. So, are you ready for this informative ride? Here we go!
- Ischemic Stroke
During an ischemic stroke, the vessel providing blood to the brain cells limit or become obstructed. These blockages occur due to blood clots or the blood flow that is reduced. They can likewise be brought about by bits of plaque because of atherosclerosis breaking and impeding a blood vessel.
The two known kinds of ischemic strokes are embolic and thrombotic. A thrombotic stroke usually happens when blood coagulates within the blood vessel while embolic is stroke happens when clot is pushed off from a distant source to the target blood vessel.
- Transient Ischemic Attack (TIA)
A Transient Ischemic Attack, frequently called TIA or mini-stroke, generally happens when the streaming of blood to the brain cells is impeded briefly. Side effects, which are like those of a full stroke, are normally transitory and vanish following a couple of moments or hours.
According to the best neurologist in Delhi, TIA is normally traced to occur due to blood clotting. It resides as a warning for a future stroke, so never disregard a TIA. As indicated by the CDC, more than one-third Trusted Source of individuals/people who experience TIA and didn’t get treatment had a significant stroke within a year itself.
- Haemorrhagic Stroke
A haemorrhagic stroke is considered to happen when anartery in the brain ruptures and there is leakage of blood pressure in the affected area of the brain, harming brain tissues and brain cells.
The two kinds of haemorrhagic strokes are subarachnoid and intracerebral. Intracerebral bleed occurs in brain parenchyma or within brain tissue while subarachnoid is leakage and collection of blood between brain and layer covering brain tissue.
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