backflow
- n a flow that returns toward its source
- The gadget does not prevent all backflow but stops enough to keep most patients' hearts from being overloaded.
- The classic case of mistaken identity is when a patient suffering from acute heartburn confuses a backflow of stomach acid with a developing cardiac arrest (although you should be .
- Often, however, heartburn comes with a backflow of partly digested food from the stomach into the esophagus.