2nd a request for 24 ECG, he is probably best seeing his GP to ask for this or alternatively making the appointment directly with the nurses if he can self refer. Will need to have two appointment, obviously :) one to put on, one to take off.
When i had mine the nurse said to me as she put on the wires etc - "oh, you do know this is a cure for palpitations don't you" i gave her the
face but it pretty much was, because once they realised that they were innocuous then i stopped worrying, less worry = less anxiety chemicals in blood stream, less confusing messages sent to heart, sorted!
I was like your DH, started having palpitations, its horrible, i felt like my heart was trying to get out - mine were caused by an ectopic (extra) beat, which was weird because it felt like my heart was missing a beat then flapping to try and catch up. It did make me feel weird but i think the weird feeling was anxiety. I was terrified as i was having them over and over, all weekend. By monday morning i was convinced i was dying, went to docs, he ran ECG and believe me, palpitations are obvious on an ecg trace - i was a vet nurse and one of my jobs was running ecgs so i was ready to spot any discrepancy, but well
the needle nearly flying off he page pretty much gave the game away!
I was advised to STOP DRINKING, give up caffeine and chocolate and not exert myself too much until i had a 24 hour trace because they didnt know the cause. I was due on holiday in scotland with the intent of climbing some of the way up ben nevis and pissing it up the wall - couldnt do either of those things but the palpitations kept on coming. Got back, had the trace, they were lessening now - turned out to be these ectopic beats, which are very common, pretty much all of us have them, but i was having loads. But anyway, the doctors were happy with things. So i went on, and by this time they had calmed down.
This wasn't a co-incidence! It turned out that the cause was my hay fever medication
. I don't know how i realised this, my hayfever is very seasonal, june is my worst time, then it would play up if i were around horses, i used to ride so i think i needed to take some meds, and my palpitations started again. Thats what it was - I also can't take night nurse without my heart going on a route march!
I would say to you not to worry at all, really i would, but obviously there is the family history so it is worth crossing the Ts. Lots of defects would show up on a simple ECG trace so it was a positive thing that was all normal.
I would say, get him to cut down on his drinking and smoking if he can (just to see if there is a difference) and to cut out caffiene completely - if i have a strong coffee and i am partial to a bit of rocket fuel, my heart goes boom di di boom boom boom, but i recognise what it is, it doesn't scare me and for some reason, i quite like the feeling. I don't drink too much coffee though for this reason.
So, thats a 24 ECG to ask for, and possibly an ultrasound. Do you know what sort of heart defect your BIL had? If it was likely to be heritable? some valve defects are indeed genetic (but not all, and this doesn't mean your DH will have this but it needs investigating). I'd want an doppler ultrasound, to put my mind at rest. It is not likely however that a valve issue would present as palpitations (i dont think! im not a doctor! well not a medical one anyway
)
try not to worry thouh, im sure your DH will be fine