Mae ymchwilwyr o Brifysgol Newcastle, sy’n defnyddio tagio calon cyseiniant magnetig, wedi darganfod nad ydi calonnau pobl gyda CFS yn gweithio cystal â phobl iach.

Research conclusion: “patients have markedly reduced cardiac mass and blood pool volumes, particularly end diastolic volume: this results in significant impairments in stroke volume and cardiac output compared to controls. The CFS group appeared to have a delay in the release of torsion.”

Impaired Cardiad Function in Chronic Fatigue Syndrome measured using Magnetic Resonance Cardiac Tagging.