A bubble study is a specialised form of echocardiogram used to detect abnormal blood flow between the heart’s chambers, most commonly to identify a patent foramen ovale (PFO)—a small opening between the upper chambers of the heart that may not have closed after birth.
During the test, a saline solution mixed with a small amount of air is injected into a vein, creating tiny bubbles. These bubbles travel to the right side of the heart and are tracked via ultrasound. If bubbles appear on the left side of the heart, it may indicate a PFO or other abnormal connection.
This test is often recommended for patients with:
You can resume normal activities immediately. Your referring doctor will receive a detailed report, and urgent findings will be communicated promptly.
