Chris Evans reveals his wife gave him a blood pressure monitor
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High blood pressure, also known as hypertension, is famously branded the “silent killer” because it is usually symptomless. If the force of blood pushing against the walls of your blood vessels increases severely, you may experience marked changes, however. This is called a hypertensive crisis. Blurry vision or dizziness could be an indicator of your risk.
In a study published in BMC, blurry vision as a potential symptom of hypertension was investigated.
The study presented a case of a 42-year-old man suffering with blurry vision for three weeks in his right eye.
His exam was significant for decreased vision in the right eye, diffuse retinopathy in both eyes, and serous retinal detachment in the right eye.
The patient was found to be hypertensive with blood pressure of 256/160 mmHg.
He was diagnosed with hypertensive emergency with end-organ damage due to features of hypertensive chorioretinopathy.
Hypertensive retinopathy is the most common ocular sign of hypertension and is a result of the breakdown of the inner blood-retinal border, said the study.
It added: “It is characterized by retinal arteriolar attenuation, so-called copper wiring of the retinal arterioles caused by sclerosis and hyalinization of the vascular wall, arteriovenous crossing changes (‘nicking’), cotton-wool spots, and in advanced cases, retinal arteriolar exudation leading to a macular star.”
Hypertensive optic neuropathy is less common and occurs when retinal ischemia causes swelling of the retinal ganglion cells.
“These cells travel from the inner retina and combine to form the optic nerve.
“Swelling in the optic nerve leads to optic nerve head elevation and flame-shaped haemorrhages.”
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The dizziness of very high blood pressure is described as vertigo (a sensation that the room is spinning).
While dizziness can be a side effect of some blood pressure medications, it is not caused by high blood pressure.
However, dizziness should not be ignored, especially if the onset is sudden.
If experiencing sudden dizziness, loss of balance or coordination and trouble walking they could all be warning signs of a stroke.
High blood pressure is a leading risk factor for stroke.
Hypertension can result in excess pressure on the brain, which can cause blood to leak from the blood vessels in the organ, said Medical News Today.
The site continued: “This causes edema, or swelling, which is problematic because the brain sits within the skull and has no space to expand.
“The swelling places further pressure on the brain and causes symptoms that include a headache, dizziness, nausea, confusion, weakness, seizures, and blurred vision.
“If a person receives treatment to lower their blood pressure, their symptoms will usually improve within an hour.”
Other signs of high blood pressure include:
- Severe headaches
- Fatigue or confusion
- Vision problems
- Chest pain
- Difficulty breathing
- Irregular heartbeat
- Blood in the urine
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