Stroke || Cause, Symptoms & Diagnosis

Stroke is a type of brain attack that occurs due to blood supply in brain …

Stroke is a medical emergency of brain attack that occurs due to the blood supply of a part of the brain is interrupted or severely reduced, depriving brain tissue of oxygen and nutrients.

The main cause of this attack is the blood supply of brain is either interrupted or reduced. Due to this, brain cells deprived of the oxygen, glucose and nutrients needed to survive and starts to die.

According to a survey, approx 800,000 people are affected with this disease every year and someone dies from this disease in every 4 minutes.

Types :  

There are two types of this attack :

1. Ischemic attack :

It is a most common attack. In this attack, the area deprived of blood. In this case, the obstruction blocks the flow of blood to the part of the brain.

2. Hemorrhagic attack :

This is a least common attack. It occurs when the area of blood vessel in the brain breaks. In this case, weakened vessel wall ruptures and causing bleeding in the brain.

Symptoms :

The most common symptoms of a this attack including –

  • Sudden weakness or numbness of the face, arm, leg, specially on one side of the body.
  • Sudden trouble in vision in one or both eyes.
  • confusion in speaking, difficulty talking, or understanding.
  • Sudden, headache occurs with no known cause.
  • Sudden trouble, walking, dizziness or loss of balance or coordination

Causes :  

The different types of this disease have different causes. However, this disease affect the people if they have the risk factors including :

High blood pressure :

Blood is carried to all parts of your body in vessels called Arteries. Blood Pressure ( B.P. ) is the measurement of force applied to artery walls.  It measured in the Bronchial Artery of the arm using an instrument , known as Sphygmomanometer. It is measured in millimeters of mercury (mmHg).


Obesity :

Obesity means the accumulation of too much fats in the form of adipose tissue in body. These extra calories generates when the difference between calories in and calories out is more. In this case, calorie in is more while calorie out is less in comparison. They may have a negative effect on health leading to vulnerable risk for various heart diseases ,  diabetes ,high blood pressure , stroke , certain types of cancer and osteoarthritis. Obesity itself is considered as a disease as it give rise to several other diseases and has a  negative impact on health.


Diabetes :

Diabetes is a Human Disease in which glucose is not sufficiently metabolize. It is a chronic condition having high level of glucose in blood and urine. When you eat, your food is breaks down into glucose. Glucose, which is a form of sugar, is the main source of fuel in your body. Your cell use it for growth and energy. Insulin, a Harmon that Pancreas producs, helps to take glucose in the cell.


Headache :

Headache is the most common health problem which affects most of people in the world. It is one of the most common medical complaints which experience by most of people at some point in their life. It is a pain that effect your head or neck.


Some other causes are :

  • Smoking
  • Excess drink of alcohol
  • High chlostrol
  • Atrial fibrillation
  • Previous TAI ( Transient Ischemic Attacks )
  • Family history

Risk Factors :

  • Age : Generally, this disease attacks those people whose age is more than 65 years.
  • Gender : This disease attacks both genders but, men are most likely to affect it.
  • Inheritance : If any one of your family member have this disease, than you are also under the risk of it.

Diagnosis :   

Your doctor will ask you about your symptoms and medical history. Doctor may check your physical examination by suggest you for some test, including :

  1. Electrocardiogram (ECG)
  2. Blood tests

Your doctor may told you for some scan, including :

  1. CT scan
  2. Magnetic Resonance Imaging (MRI) scan
  3. Ultrasound scan
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