I understand your concern
Welcome to HCM
Alcohol, even in smaller doses can be dangrous.Smoking
increases its danger.
You are drinking an smoking for long.
I don't know youe age, but it is time to call it quits.
You hve started becoming anxious about its ill effects.
Skipping heart beats are may be a anxiety
So consult a GP and check to find out your physical wellness.
And or course quit smoking and drinking.