NEET PG DENTAL EXAM

Detailed explanation-1: -A patent foramen ovale (PFO) is a hole in the heart that didn’t close the way it should after birth. The hole is a small flaplike opening between the upper heart chambers. The upper chambers of the heart are called the atria.

Detailed explanation-2: -Fissure-An open slit in a bone that usually houses nerves and blood vessels. Examples include superior and inferior orbital fissure. Foramen-A hole through which nerves and blood vessels pass. Examples include supraorbital foramen, infraorbital foramen, and mental foramen on the cranium.

Detailed explanation-3: -Patent foramen ovale (PFO) is when you have a small flap or opening between the upper right and left chambers (atria) of your heart. Everyone has this opening, called a foramen ovale, before birth. In most people, this closes after birth. Patent foramen ovale occurs when the flap still exists after birth.