Is travelling by flight advisable after an angiogram?
I would explain as follows :
Welcome on HCM!
Regarding your concern, I would like to explain that you can safely take a flight in two days after an uncomplicated angiography, especially if the reason bringing to the angiography recommendation was not an acute coronary syndrome (acute myocardial infarction).
Hope you will find this answer helpful!
In case you will have further questions, feel free to ask me again.