]> 2026-07-31T07:27:50+00:00 WBR0180 0 en Cold water challenge test '''Incorrect''' : A cold water challenge test can induce an attack of Raynaud's phenomenon. It is not recommended since the responses are inconsistent even in those with definite Raynaud's phenomenon. Since it does not consistently trigger an attack, history itself is considered diagnostic. Nailfold capillaroscopy '''Incorrect''' : Nailfold capillaroscopy, videomicroscopy, thermography, angiography, laser Doppler imaging, and direct measures of skin temperature and local blood flow are other diagnostic tools used to assess the vascular responses in the digits and skin. History itself is considered diagnostic since no simple office test consistently triggers an attack. Topical nitroglycerine Nifedipine Prazosin Primary Care Office Mugilan Poongkunran A 23 year old female comes to your office with 6 month H/O cold intolerance. She says that when the weather is cold, her fingers get numb and turn blue. She wears gloves to keep her hand warm, but it does not always work. She does not smoke or consume alcohol or use any illicit drugs. She is sexually active and use condoms as contraception. She is an accountant and says that her work is very stressful. Physical examinations are well within normal limits. What is the best next step in her line of management? D Musculoskeletal/Rheumatology 2020-10-27T23:36:44Z 2459150.4838426 WBR0180