 [ Symptoms ] what would cause your breath to taste like ammonia [ Disease ] i am so sorry you lost your aunt it is always difficult to lose a loved one you have my sympathy the good news is there is probably nothing seriously wrong with your ear or your hearing everyone has those episodes you describe where your hearing suddenly goes out and is replaced by a loud ringing or pulsing sound we do not know what causes that could be a sudden shift in blood pressure could be some impacted ear wax suddenly pulling away from the eardrum who knows if you are truly concerned i suggest you make a visit to your primary healthcare provider is office for a check up make sure your blood pressure is normal and that you do not have an ear infection or any impacted cerumen wax a regular physical exam will cover all these bases wishing you well