Hi,Dear,Thanks for your query to HCM.
Dear I read facts of your query and reviewed it in context to your health issues submitted in your query.
I understood your health concerns and feel Concerned about them.
Based on the facts of your query the reply of your query is-
Your current health issues seem to be related to-the Contused and thrombosed wrist Veins with Sprained right wrist.
The pop up sound with instant pain could be from snapping of the wrist tendons over the veins and arteries around the right wrist.
The 
thrombophlebitis from the sprained wrist caused the purple line longer and wider.
Remedy-
Rest and Elevation to the sprained right wrist.
Tab 
Combiflam 1 x  2 times a day x 7 days
Gel Voltaren- locally on the sprained blue areas
Thrombophobe oint locally
Tab 
Chymoral Fort 1-2 times a day x 7 days.
Compression bandage to sprained wrist. 
Constant followup with  
General Surgeon -for long term would give you long remissions in time to come,which would depend on meticulous followup treatment of your health concerns.
Just don't worry and be patient and co-operate with your doctors,till you verify with your attending doctors.
For early recovery-please follow above do's which would resolve your complex health issues.
Hope this would help you to treat your health issues in the best way possible. 
Welcome for any further query in this regard to following link-
http://doctor.healthcaremagic.com/Funnel?page=askDoctorDirectly&docId=70229
Wishing Good Healthy Life!!
Dr.Savaskar M.N.
Senior Surgical Specialist
M.S.Genl-CVTS