Stroke, Causes of stroke, and Symptoms of Stroke

shape your waist Stroke is a well known cause of morbidity and mortality because the causes of stroke are very high in occurrence worldwide. Stroke or medically termed as Cerebro Vascular Accident is a medical condition that occurs when brain cells die due to impaired blood supply. Brain cells are well known for their incapability to regenerate unlike any other cells present in the other major organs of the body. The brain is known as the control center of the body so the symptoms of stroke are not only felt at the damaged area but in the areas controlled by it.

There are several causes of stroke:

  • Thrombosis or a clot in a brain artery is the most common among the causes of stroke. A clot in the blood vessels forms usually if the vein or artery is already narrowed by substances like fats, glucose, and nicotine. If the blood vessel is already blocked, blood can no longer pass through along with its nutrients needed by the brain cells in the affected area. Brain cells die leading for the patient to experience the symptoms of stroke.
  • Embolism is a condition in which a clot that originated from a certain organ of the body travels along the blood stream. It becomes one of the causes of stroke when the embolus settles in one of the cerebral arteries. It will block the blood and oxygen supply that will eventually lead to brain cell death
  • Cerebral hematomas are also causes of stroke. Hematomas are collection of blood and when it develops in the epidural and subdural areas of the brain, stroke may occur.
  • Excessive bleeding in the brain or cerebral hemorrhage is one of the potential causes of stroke. On the other hand, subarachnoid hemorrhage or bleeding in the area between the arachnoid and the pia maters of the brain is usually caused by a ruptured blood vessel or an aneurysm.
  • Rare causes of stroke include inflamed blood vessels or vasculitis and migraine headache.

Aside from the causes of stroke, there are also risk factors that increase a person's susceptibility to stroke. These are hypertension, diabetes, smoking, alcohol abuse, drug abuse, brain tumor, myocardial infarction, blood coagulopathies, hypercholesterolemia, infections, atherosclerosis, sickle cell disease, injury, and familial history of stroke.

Symptoms of stroke are rooted from the deprivation of blood and its nutrients in the affected brain area. The symptoms of stroke vary depending on the area of the brain affected and the degree of damage it created. However, the most notable symptoms of stroke are:

  • Contralateral weakness or numbness, complete or partial loss of voluntary motor functions, and tingling sensation. Contralateral relationship to the affected side means that if the left brain area is the affected by stroke, the manifestations will be felt in the right side of the body except the face.
  • Confusion or deterioration in mental functions
  • Aphasia or the difficulty to speak and understand spoken language
  • Blurring of vision
  • Dizziness
  • Severe headache with unknown cause
  • Vomiting

Aside from the patient's manifestations of the symptoms of stroke, it is diagnosed via CT scan, MRI, Angiography, Carotid Doppler ultrasound, Heart tests, and blood tests.

Stroke is considered a medical emergency and prompt management is very important. Tissue Plasminogen Activators or TPAs is one of the most recommended treatments for stroke. The aim of this treatment is to dissolve the clot that caused the stroke and the symptoms of stroke. Anticoagulatory drugs such as heparin and its derivatives help to decrease the density of the blood and eliminate the causes of stroke like hematomas, emboli, and thromboses. On the other hand, if the stroke is due to other medical problems, treating the underlying condition is the best treatment for stroke.

Stroke may be a worldwide cause of debilitation and death, but the causes of stroke, its risk factors, and especially the symptoms of stroke can be prevented through health consciousness and prompt intervention.

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