What is the normal blood pressure range?
Use the Blood Pressure Chart to assess if you have a healthy blood pressure (BP). Various hypertension definitions are provided.
Blood Pressure Classification
Normal blood pressure range
High-Normal blood pressure
Grade 1 Hypertension
Grade 2 Hypertension
Isolated Systolic Hypertension
* Based on Singapore Ministry of Health Clinical Practice Guidelines
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The various categories of blood pressure are defined according to blood pressure values for both diastolic and systolic blood pressure readings.
Hypertension is defined as Diastolic pressure > 80mmHg and Systolic blood pressure > 130mmHg.
Isolated Systolic Hypertension is defined as Systolic blood pressure >139mmHg in the presence of a Diastolic blood pressure < 90mmHg. It is most frequently seen in elderly people.
Essential hypertension is the presence of sustained hypertension in the absence of underlying, potentially correctable renal, adrenal or other factors.
Mild Hypertension - Mildly hypertensive people have almost twice the risk of vascular disease compared to people with normal blood pressure. Non-drug measures may be suggested by your doctor if there is no evidence of end-organ damage. If after 6 months or more, these methods have not succeeded, then antihypertensive drug therapy may be necessary.
Severe hypertension has a Diastolic blood pressure > 115mmHg. For people with severe hypertension, their blood pressure may be life-threatening. They must be checked immediately by their doctor for hypertensive complications (eg cardiac failure etc). They are more likely to have an underlying cause (eg renovascular disease). Hospitalization may be necessary for these patients. The opinion of a cardiologist is needed because of the likely risk of serious illness or death.
Refractory hypertension exists where control of the blood pressure has not been achieved despite reasonable treatment for 3 or 4 months. A review of a possible secondary cause by your doctor is appropriate. The uncontrolled hypertension may be due to many possible reasons such as drug-related causes, poor compliance, renovascular hypertension, nicotine (smoking), licorice, caffeine (strong coffee), obesity, excessive alcohol intake, excessive salt intake, renal insufficiency, volume overload or illicit substances etc.
In patients aged 50 or less, the Diastolic level always takes precedence over the Systolic level.
All hypertensive people should attempt to adopt the Self-help High Blood Pressure Treatments.
Causes of Secondary Hypertension
Secondary hypertension (secondary high blood pressure) is high blood pressure that's caused by another medical condition. Secondary hypertension can be caused by conditions that affect your kidneys, arteries, heart or endocrine system.
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How to take Blood Pressure
The classification of hypertension categories should be based on the average of 2 or more blood pressure readings on at least 3 or more occasions.
Measuring Blood Pressure should take the following factors into account :
Apprehension - The patient should be rested for at least 5 minutes and made as relaxed as possible. 'White coat hypertension' refers to elevated blood pressure caused by the anxiety of seeing the doctor's white coat. Affecting up to 25% of patients presenting with mild hypertension, these people have a type of conditioned response to the clinic setting, while their home blood pressure profiles are normal.
Caffeine and blood pressure - Patients should not take caffeine/coffee for 4-6 hours before blood pressure measurement.
Smoking - Patients should also avoid smoking for 2 hours before taking blood pressure.
Eating - Patients should not have eaten for 30 minutes.
Please seek Medical attention as soon as possible if you are unsure of you or your family's health condition.
Health Assessment & Screening Packages
The children of parents with hypertension should be closely watched. Those at risk of secondary hypertension eg renal or cardiovascular disease, urological abnormalities and Diabetes Mellitus, should have routine blood pressure measurements.
Those children with visual changes, headaches or recurrent abdominal pain or seizures should also have a blood pressure check regularly.
These children can also follow the Self-help High Blood Pressure Treatments.
Up to $400 per (Parent's) Medisave Account per year can be used for Vaccinations under the National Childhood Immunisation Schedule - Influenza, Pneumococcal (PCV13/PPSV), Human Papillomavirus (HPV2/HPV4), Hepatitis B, Tetanus, Diphtheria & Pertussis (Tdap), Measles, Mumps & Rubella (MMR) and Chickenpox (Varicella).
National Childhood Immunisation Schedule (NCIS) Singapore @ MD International Medical Centre. Make your child's vaccination appointment at Tel: 6694 1661
High blood pressure in pregnancy can be either Preeclampsia (pregnancy induced hypertension) or Essential hypertension. Blood pressure levels normally drop during the second trimester and rise in the third. Hypertensive pregnant women should be properly supervised by their obstetrician.
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Sinopharm COVID-19 & Latest Influenza Vaccines (Protects against Flu and H1N1 Viruses) / Pre-Departure COVID-19 PCR Swab & Serology Tests for Travellers, Supervised Antigen Rapid Test (ART) done from your home, Pre-Event COVID Testing and Serology Testing to Certify Vaccination status. Make your Appointment at Tel: 6694 1661
Flu Subsidy Scheme eligible for Singaporeans & PRs (Pay subsidized rate of $10 for Consultation and Treatment) & Merdeka Generation /Pioneer Generation seniors (Pay subsidized $5) for patients with Acute Respiratory Infections (ARIs).
Asymptomatic patients may not display no symptoms of illness. Vulnerable people should get vaccinated against Influenza as the stop gap until the COVID vaccine is found. The Flu vaccine would protect susceptible people from, as well as exclude the Flu and H1N1 viruses should they start to show URTI or ARI symptoms.
- Latest Influenza Vaccine
The latest Influenza Vaccine is now available. It protects against the Flu and H1N1 Viruses. In the event that a person displays flu-like symptoms after the Flu vaccination, both Flu and H1N1 may be excluded in his diagnosis, and treatment can be sought quickly should the patient have contracted COVID-19.
Ministry of Health Safety protocols are adhered to at all times for the safe vaccination of you and your family.
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Up to $400 per Medisave Account per year can be used for Vaccinations under the National Adult & Childhood Immunisation Schedule - Influenza, Pneumococcal (PCV13/PPSV), Human Papillomavirus (HPV2/HPV4), Hepatitis B, Tetanus, Diphtheria & Pertussis (Tdap), Measles, Mumps & Rubella (MMR) and Chickenpox (Varicella).
Part of MOH's Swab & Go Home programme. Our clinic can carry out the COVID-19 Swab test for anyone who meets the MOH medical criteria. All individuals aged 13 and above, diagnosed with ARI will be COVID Swab-tested. Cost of Swab test to be borne by Ministry of Health Singapore.
Part of the National Influenza Sentinel Surveillance programme with MOH. If you have a fever of > 38 degrees with a cough, our clinic is able to test for COVID-19. For children below 12 years old with clinical diagnosis of HFMD (eg fever, oral ulcers, rash), our clinic can test for Hand Foot & Mouth Disease (The tests are for surveillance purposes only).
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Medical Services available :
Public Health Preparedness Clinic
National University Health System Primary Care Network
Singapore Ministry of Health Chronic Disease Management Programme (CDMP)
The information provided in this website is for knowledge purposes only. It does not constitute medical advice.
Should you encounter any medical problem that you are unsure of, always consult your doctor or health care provider for assistance and medical advice.
MD International (Singapore) Pte Ltd
9 Taman Serasi #01-11, Botanic Gardens View
Tel : 65-6694-1661 Fax : 65-6694 1771
Email : email@example.com
Monday to Friday: 9am-12.30pm / 2pm-6.30pm Saturday: 9.30am-1pm
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Please contact us at Tel: 6694 1661 to make an appointment.
Please make an appointment for the following at Tel: 6694 1661:
* Supervised COVID ART Test / Pre-Event Test
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MBBS (Monash), B Med Sc (Hons) (Monash), Dip Pract Derm (Wales, UK)
The Chiropractic Association Singapore, Japan Chiropractic Register, American Chiropractic Association, California Chiropractic Association
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YAMAGATA Chihiro 山懸千尋
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