◾Patent Foramen Ovale(PFO) and Cryptogenic Stroke: A short thread 🧵

🔶PFO is present in nearly 25% of general population

🔶Risk of Ischemic stroke due to PFO is low despite it's high prevalence

🔶 Hence it is important to determine whether PFO is incidental or causal 🔶First step in establishing causality is to exclude other mechanisms by performing relevant diagnostic testing

🔶These include brain imaging, intracranial and extracranial vascular imaging, ECG, cardiac telemetry and atleast 30 days of outpatient cardiac rhythm monitoring