For those in the northern hemisphere, where winter is coming on, this message could save your life.
This applies to most people with atrial fibrillation since the majority have underlying heart disease. It may also apply to many with lone atrial fibrillation who may in fact have undiscovered or undiagnosed heart disease. This is valuable information even for those without afib.
I received a pneumonia shot and almost immediately developed Atrial Fib.