Preparing for a blood pressure measurement

Preparing for a blood pressure measurement.

  • 30 minutes before measuring blood pressure, you should not drink beverages containing caffeine, alcohol, coffee, exercise, and adjust your mood to normal. You should not have these emotional states such as anger, rage, stress, etc.
  • Wear comfortable clothing that is not too tight.
  • Rest for 5-15 minutes before measuring blood pressure.
  • You should urinate before taking your blood pressure measurement.
  • Do not talk too much while taking blood pressure measurements.

What is low blood pressure? 

Low blood pressure is a condition where blood pressure is lower than 90/60 mmHg. Low blood pressure may be caused by low systolic สมัครสมาชิก UFABET วันนี้ รับเครดิตฟรีทุกวัน and diastolic blood pressure alone, or both. In general, symptoms of low blood pressure may go away on their own after a period of time. However, in some cases with severe symptoms, treatment is required to assess the severity of the symptoms.

Causes of low blood pressure

  • Malnutrition, especially vitamin C and protein, causes the tissue around the arterial walls to become weak and excessively relaxed.
  • There is sudden blood loss, such as blood loss during an accident, etc.
  • Sudden loss of fluid, such as diarrhea or sweating
  • People with chronic diseases such as heart disease , anemia, or endocrine diseases, etc. 
  • Taking certain medications, such as diuretics or blood pressure medications.

  • Stress, depression, lack of rest

Symptoms of low blood pressure

Normally, low blood pressure does not cause any symptoms. However, if there is insufficient blood flow to the brain, patients may experience temporary symptoms, such as:

  • Dizziness, fainting, sudden fainting
  • Heart palpitations, heart palpitations
  • Restlessness, lack of concentration 
  • Blurred vision, nausea
  • Easily tired, exhausted, thirsty
  • Dizziness when changing sitting position or standing up suddenly 

What are the types of low blood pressure? 

Post-meal low blood pressure 

It mostly affects older people, as eating too much can cause more blood to flow to the digestive system than normal.

Low blood pressure due to nerve damage

Symptoms of this type of low blood pressure are very rare. If symptoms occur, it will result in damage to the central nervous system, which controls nervous system functions such as heart rate, blood pressure, or breathing, making them uncontrollable. This may result in low blood pressure when standing up and high blood pressure when lying down. 

Hypotension due to brain abnormalities

It mostly occurs in children and adults. This type of low blood pressure is caused by abnormalities in the brain and heart, which causes low blood pressure after standing for a long time.

Orthostatic hypotension due to sudden changes in posture

It is caused by a sudden drop in blood pressure when standing up or sitting. The symptoms last about 5-10 minutes after changing posture.