A patient will exhibit a positive Chvostek’s sign when twitching of the facial muscles occur in response to tapping over the area of the facial nerve. What is a negative Chvostek’s sign? A negative Chvostek’s sign is when the facial nerves are stimulated and no contractions of the faci...
You'll have another test, called anelectrocardiogram(EKG or ECG) while the gamma camera takes its pictures. An EKG records the electrical activity in your heart. A heart doctor specially trained in nuclear testing (a nuclear cardiologist) matches the “movie” from the gamma camera with the he...