Has anyone on this forum, who is taking Flecainide, received monitoring or testing?
Apparently, exercise can augment the toxic effects of Flecainide, whereby a prolonged QRS interval (caused by the Flecainide) may lead to potentially dangerous arrhythmias. So it is important to assess patients for underlying heart disease first, as Flecainide is not recommended in this instance. If started on this medication, patients may then be asked to undergo an exercise tolerance test while monitoring QRS intervals.
Some researchers found that,
'...routine exercise testing to detect QRS widening is not warranted in patients with no structural heart disease.'
However, some researchers recommend that,
'After initiation of flecainide, use-dependent QRS widening may be assessed during a formal exercise test. During treatment, the QRS interval should be regularly monitored'.
I had an echocardiogram showing no heart disease, but I guess I'd feel more reassured if I could have an exercise test just to check my QRS intervals!
Has anyone (with or without existing heart disease) been given monitoring while on Flecainide? Just curious....