<prompt> Pulseless disease isMicroscopic polyarteritisGiant cell arteritisTakayasus diseasePAN  <response>: C Takayasus disease TAKAYASUS ARTERITIS Pulseless disease Clinical: Dizziness, syncope Absent upper extremity pulse pulseless disease Blood pressure discrepancy between extremities: Low in upper and higher in lower Visual disturbances Diagnosis: Angiography Pulses are commonly absent in the involved vessels, particularly the subclavian artery in Takayasus. In Giant cell arteritis patients with involvement of the temporal artery, headache is the predominant symptom and may be associated with a tender, thickened, or nodular artery, which may pulsate early in the disease but may become occluded later. 