Sudden low BP with PFO, ASA, MVP

[zfheart]

I am 49 and have the following congenital heart defects: PFO, ASA, MVP and normally have hypertension controlled with norvasc and triamterene.  Have had several TIA's and a major stroke at 46 due to PFO and ASA and have been taking Aggrenox and Simvastatin since the event.  I had infectious endocarditis (symptoms mimicked congestive heart failure) at 47 at MVP which has since calcified and since unknown source, had major anitbiotics covering every possibility for 2 months through a PIC line (vanc, gent, and 2 others) which resulted in kidney failure and creatinine now close to normal.  

Yesterday upon waking, I felt extremely weak, nauseated, and faint, vomited bile and had to lie on floor to keep from passing out.  When felt stronger, I tried to take my BP but unable to obtain more than an error message for 2 hours and then 89/56 (used 2 machines with same unreadable results)... rested most of the morning as it slowly increased... when reached 125/70, felt okay to take my morning meds... pressure this morning was 120/70 and have had no more extreme weakness although have noticed I tire and become out of breath easily...had a cath at 47 with no build up and no stents... and have no chest pain.

My question is what could be the possible connection between my congenital heart defects and the low BP episode?  Something I need to be prepared for or a freak event?  Is there something I can do to help increase BP more quickly should it occur again?  If not related to heart, what are other possibilities?

Really worried not just about my heart but I'm scheduled for women's repair surgery for TPP, have already had 2 surgeons schedule and cancel even though I had cardiac clearance, and since prolapses are becoming progressively worse, really need the repairs (surgery anticipated at 6 hours barring complications and includes harvesting autologous fascia lata) so if any heart concerns, it's not going to happen.

Thank you so much!

[Cleveland Clinic]

They may not be connected, as you could have had a GI infection, or gallbladder issue going on that caused the nausea and hypotension. Or they could be related, such as via an arrhythmia or endocarditis which can manifest sometimes atypically. In any event you should be evaluated by your doctor. What is TPP?

[zfheart]

Thank you for your response... did see doc... EKG showed left side changes (ince 3 months earlier) but not sure what that means... stress test today... as doc said I would need to obtain another cardiac clearance for proposed surgeries...also blood work showed kidney function issues as BUN and creatine levels increased and dehydrated so taken off of triamterene... didn't have ultrasound of MVP so don't know if this in the future as this was the confirmation test of endocarditis in the past (along with TEE) as I had atypical symptoms then...

TPP is total  pelvic prolapse (uterus,urethrocele, cystocele, rectocele, enterocele) all eligible for levels are grade 3... already had two urogynecologists schedule then cancel surgery due to their fears of proceeding with my PFO... this time tag team effort to do extensive repairs as also have endometriosis so some removal involved in the procedures... harvesting due to prior rejection issues...

Thanks again