Then the dizziness, headaches and balance issues can be associated with this cyst. However your MRI brain does not show any signs of MS, so that is less likely as a cause. The loss of vision can be amarousis fugax which can be due to small blood clots in the vessels in the brain which can lead to this problem, it would resolve by itself once the clot dislodges, however that would not be picked up on the MRI. The memory problems would also not be associated with these findings on the MRI.
There are a few conditions which we can consider,
We can consider pheochromocytoma which can cause the intermittent rises i heart rate as well as the other symptoms. this is a benign tumor of the adrenal glands which can cause surges of catecholamines including adrenaline which can be diagnosed with 24 hour urinary catecholamine levels along with VMA levels. Once diagnosed beta and alpha blockers would be necessary followed by surgery.
The adrenals should be addressed here, not because of the implant but because it could be causing the problem independently of the implant. These symptoms can occur in both adrenal excess and adrenal insufficiency as they are not specific for either one of them. If you had weight gain then cushings or adrenal excess would have been suspected and if there was weight loss then adrenal insufficiency would be more likely.
Perimenopause itself can cause this problem as well or even a hormonal imbalance inspite of the implant. At the same time the catamenial migraine should be considered here as well. Simple medications like beta blockers can be used if the problem is too frequent to prevent attacks from occurring. In catamenial migraines a drug called acetazolamide has been found to be more effective than others.
The arrhythmia option is still be considered because a 24 hour EKg would ONLY pick up on the problem if you were actually having symptoms when you were wearing the monitor, if there are no symptoms then it would miss the arrhythmia. if this occurs every 28 days like clockwork then wearing a monitor for 7 days before the event and a couple of days after could be more useful.
But we can also look into the other endocrine and metabolic issues that i have mentioned above.
Do you have any more questions?
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