Non cardiac causes of atrial fibrillation is :

Non cardiac causes of atrial fibrillation is : Correct Answer Pneumonia

The exact cause of atrial fibrillation is unknown, but it's more common with age and affects certain groups of people more than others. Atrial fibrillation is common in people with other heart conditions, such as: high blood pressure (hypertension) atherosclerosis heart valve disease congenital heart disease cardiomyopathy pericarditis It's also associated with other medical conditions, including: an overactive thyroid gland pneumonia asthma chronic obstructive pulmonary disease (COPD) lung cancer diabetes pulmonary embolism carbon monoxide poisoning But not everyone with atrial fibrillation has one of the conditions above. It can sometimes affect people who are physically very fit, such as athletes.