my husband has a heart problem, maybe sometime needs arotic value replacement.He is 83 yrs. takes .81 baby aspirin, blood pressure med & cholestrial meds. Never nose bleeds in past, but last week a severe nose bleed & seen a nose ear & throat specialist. Burned the blood vessel gave him cream, spray &HamamelisD3 We are in Germany for the summer from US, does he have serious problems??