Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice.
An
arteriovenous malformation (AVM) is an abnormal tangle of blood vessels connecting arteries and veins, which disrupts normal blood flow and
oxygen circulation. When an AVM disrupts this critical process, the surrounding tissues may not get enough oxygen, and the affected arteries and veins can weaken and rupture. If the AVM is in the brain and ruptures, it can cause bleeding in the brain (hemorrhage),
stroke or
brain damage. So,you are lucky because you have survived and resolved the AVM problem.
-The bubbling sensation in your head ,in my opinion is cause by
hypoventilation and hypoventilation is caused by your arteriovenous malformation.
Arteries are responsible for taking oxygen-rich blood from the heart to the brain. Veins carry the oxygen-depleted blood back to the lungs and heart.As we said in AMV this process do not function properly and it produced symptoms like yours.
Hope I have answered your query. Let me know if I can assist you further.