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Heart Rhythm Conditions | Last Active: Nov 8, 2025 | Replies (12)
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@lauramks Copied liberally from verywellhealth's site:
When Should I Worry About Fluctuations?
If you experience inconsistent readings regularly, it could be due to a health issue. Labile hypertension is a condition in which blood pressure changes suddenly and varies significantly, going from normal to elevated in the same day or from reading to reading.
These fluctuations can indicate significant problems. For instance, studies have found that changes in blood pressure from one provider visit to the next are sometimes linked to a higher risk of heart disease and early death.9
The following are serious issues that can cause blood pressure fluctuations:
ENDOTHELIAL DYSFUNCTION: This condition affects the lining of blood vessels or is related to stiffness in the arteries. It's more common as people age.10
Obstructive sleep apnea (OSA): The temporary cessation of breathing due to OSA leads to a spike in blood pressure that, over time, increases the risk of cardiovascular issues.11
KIDNEY DISEASE: High blood pressure is a leading cause of kidney disease, but the damage done to the kidneys from these disorders also raises your blood pressure because when the kidneys cannot remove excess fluid, it puts pressure on blood vessels and raises blood pressure.
ADRENAL GLAND DISORDERS: With adrenal gland disorders, your body may make too much aldosterone, cortisol, or hormones similar to adrenaline, which can cause high blood pressure.12
Blood pressure medications: Prescriptions to treat high blood pressure can actually cause dangerous blood pressure variations (BPV). For instance, short-acting drugs will not control blood pressure for an entire day, so your BP will begin to increase hours after taking the recommended dose. Calcium channel blockers may be most effective for avoiding BPV.13
Pheochromocytoma: This refers to a tumor in the adrenal gland that in rare instances can cause blood pressure changes.14 These tumors are usually not cancerous.