Low blood pressure can point to some other underlying health conditions. But the condition can make you feel off-balance. What are the symptoms and what’s the best way to diagnose it?
The British Heart Foundation (BHF) defines low blood pressure (hypotension) as below 90/60mmHg.
The systolic pressure identifies the highest amount of pressure exerted when the heart beats.
Whereas, the diastolic pressure determines the lowest amount of pressure felt when the heart relaxes between beats.
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This blood pressure reading is measured using a digital electronic monitor called a sphygmomanometer.
Typically administered by a doctor, an inflatable cuff is wrapped around the upper arm.
The cuff then squeezes and releases your upper arm to get the two numbers: systolic (90mmHg) and diastolic (60mmHg).
Even some pharmacies are able to do a blood pressure reading using this method.
And the electronic monitors are available to order online, so that you can do your own readings in the comfort of your own home.
The BHF states that people with low blood pressure may feel dizzy – one sensation that could signal the health condition.
The NHS lists other symptoms of hypotension as: lightheadedness, feeling sick, blurred vision, confusion and generally feeling unwell.
This is caused when the brain fails to receive enough blood.
The Mayo Clinic recognises that hypotension may be related to other health conditions.
For instance, low blood pressure may be a symptom of heart problems, such as an extremely low heart rate – known as bradycardia.
Another possible reason behind hypotension could be related to thyroid issues.
For example, someone with hypotension could be suffering from adrenal insufficiency – otherwise known as Addison’s disease.
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Low blood pressure can even be a result of less serious health concerns.
For example, dehydration can cause weakness, dizziness and fatigue.
The simple solution for this is to drink more water, which should resolve the issue.
Even some medications can lead to low blood pressure, such as beta blockers.
Medical professionals tend to break down hypotension into categories.
Postural hypotension refers to a sudden drop in blood pressure when you stand up quickly after sitting or lying down.
Postprandial hypotension occurs when blood pressure drops up to two hours after eating.
Then there’s neurally mediated hypotension caused by a miscommunication between the heart and the brain.
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