Hypertension and Blood Pressure

What is Low Blood Pressure (Low BP)? FAQs on Low BP

Low BP, or Low blood pressure, or hypotension, is a condition where the blood pressure is too low. It may be caused by dehydration, stress, or other factors. Low Blood Pressure is when your blood pressure is too low, causing problems like dizziness, fainting, headaches, and more. Find out what causes it and how to treat it! Normal blood pressure is 120/80 mm hg, where 120 is the systolic pressure and 80 is the diastolic pressure.

Low BP is Low Blood Pressure

Low blood pressure is an abnormal condition where a person’s blood pressure is much lower than usual, which can cause symptoms such as dizziness or lightheadedness. When the blood pressure is too low, there is inadequate blood flow to the heart, brain, and other vital organs. A blood pressure level that is borderline low for one person may be normal for another. The most important factor is how the blood pressure changes from the normal condition. Most normal blood pressures fall between 90/60 mm Hg to 130/80 mm Hg, but a significant change, even as little as 20 mm Hg, can cause problems for some people.

What are the causes of low blood pressure?

Blood pressure refers to the measurement of the pressure in the arteries during the active and resting phases of every heartbeat. When blood pressure goes below 120/80 mm hg, it is known as low blood pressure. A sudden dip in blood pressure can be dangerous. The patient is likely to faint and experience dizziness as well. Some medical conditions which can give you low blood pressure are: 

  1. Heart problems 
  2. Pregnancy
  3. Blood loss
  4. Severe infection
  5. Dehydration
  6. Nutritional deficiencies 
  7. Endocrine problems

What are the symptoms of low blood pressure?

Symptoms of low BP may include:

  1. Tiredness
  2. General weakness
  3. Light-headedness and fainting
  4. Blurred vision
  5. Dizziness
  6. Palpitations
  7. Confusion
  8. Nausea
  9. Temporary loss of consciousness

Read about hypertension or High Blood Pressure

Blood Pressure Chart
Blood Pressure Chart

What are the risk factors of low blood pressure?

Low blood pressure can happen to anyone. However, some people are more prone to low blood pressure than others are . Some of the risk factors of low blood pressure include: 

  1. Blood loss
  2. Heat exposure
  3. Age
  4. Dehydration
  5. Pregnancy
  6. Alcohol 
  7. Excessive sweating
  8. Reaction from some medicines 

How to diagnose low blood pressure?

Blood pressure is measured using two numbers – the systolic first (the pressure in the arteries when the heart contracts and pushes the blood around the body) and then the diastolic (the pressure in the arteries when the heart relaxes and fills with blood between two heartbeats). Blood pressure is measured using an inflatable cuff. This is positioned around the upper arm. The cuff is inflated and the doctor or nurse listens to the artery just below the cuff as the air is then released.

When they can hear the heartbeat, they will record the systolic pressure. When the sound disappears, they will record the diastolic pressure. Sometimes an automatic blood pressure recording machine is used. Blood pressure may be measured while lying down and then while standing. Blood pressure has to be checked regularly.

What is the treatment of low blood pressure?

Low blood pressure or hypotension may or may not require treatment. The treatment of hypotension is directed toward the underlying cause. Checking whether you are drinking enough and are not dehydrated may be important. If an underlying disorder, such as a heart condition, is suspected, then it may be advisable to go to the hospital for tests and treatment. If medications are suspected of causing hypotension, the doctor will probably advise a change of drug or dosage. Bed rest and help with daily activities are needed until the condition improves.

How to prevent low Blood pressure?

Low blood pressure or hypotension can bring some distressing symptoms to itself. Symptoms like dizziness, fainting, and disorientation are common with hypotension. To prevent low blood pressure, some simple lifestyle changes can be incorporated. These include:

  1. Add more sodium to your diet as salt
  2. Avoid eating rapidly digesting forms of carbs 
  3. Eat smaller meals with low carbohydrate content
  4. Fill up on vitamins and minerals

What are the complications of low blood pressure?

Low blood pressure or hypotension can happen to any person. But each time low blood pressure affects someone, it brings a set of health complications. This happens only with severely low blood pressure. Some complications of hypotension include: 

  1. Heart diseases
  2. Coma
  3. Recurrent fainting spells
  4. Stroke because of poor blood supply to the brain
FAQs on Low BP
  1. What happens when your blood pressure drops?

    If that happens, your blood pressure may drop dramatically when you stand up. A condition known as orthostatic hypotension (hypotension means low blood pressure). The result is not enough blood reaches your brain, which can lead to dizziness, lightheadedness, and blurred vision.

  2. Does stress cause low blood pressure?

    If the measurement drops 30mmHg below the person’s usual blood pressure, this is considered being hypotension. Low blood pressure has many causes including, Emotional stress, fear, insecurity or pain (the most common causes of fainting) Dehydration, which reduces blood volume.

  3. What is the reason for low BP?

    Low blood pressure that causes an inadequate flow of blood to the body’s organs can cause strokes, heart attacks, and kidney failure. The most severe form is shock. Common causes of low blood pressure include a reduced volume of blood, heart disease, and medications.

  4. What is dangerously low blood pressure?

    Most doctors consider blood pressure too low only if it causes symptoms. Some experts define low blood pressure as readings lower than 90 mm Hg systolic or 60 mm Hg diastolic. If either number is below that, your pressure is lower than normal. A sudden fall in blood pressure can be dangerous.

What is orthostatic hypotension?

Orthostatic hypotension, also called postural hypotension, is low blood pressure that happens when you stand up from sitting or lying down. Orthostatic hypotension can make you feel dizzy or lightheaded, and maybe even faint.

Orthostatic hypotension may be mild and last for less than a few minutes. However, long-lasting orthostatic hypotension can signal more serious problems, so it’s important to see a doctor if you frequently feel lightheaded when standing up.

Occasional (acute) orthostatic hypotension is usually caused by something obvious, such as dehydration or lengthy bed rest, and is easily treated. Chronic orthostatic hypotension is usually a sign of another health problem, so treatment varies.

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