What is the initial treatment for unwitnessed Atrial Fibrillation?

The initial treatment for unwitnessed Atrial Fibrillation focuses on anticoagulation, especially because there's a risk of thrombus formation due to the irregular and chaotic rhythms that characterize this condition. The choice of heparin administration appropriately addresses this risk, as heparin is an anticoagulant that helps to prevent blood clots from forming in the heart. This is essential in cases where the onset of Atrial Fibrillation is uncertain, meaning the patient may have had this condition for longer than 48 hours without appropriate anticoagulation.

While other treatments like cardioversion, beta blockers, and adenosine might be utilized in the management of Atrial Fibrillation, they are not the first-line interventions in the context of unwitnessed cases. For instance, cardioversion, particularly if not synchronized and given without appropriate anticoagulation, could dislodge a clot. Beta blockers are often used for rate control but do not address the immediate risk of clot formation. Adenosine is more commonly indicated for terminating certain forms of supraventricular tachycardia rather than Atrial Fibrillation.

Hence, prioritizing anticoagulation with heparin is crucial in the immediate management strategy for unwitnessed A