[Expert Solution]: A 68-year-old woman presents with left…

A 68-year-old woman presents with left knee pain described as aching around the knee. The pain is worse when going downstairs, with activity, and at night. She denies any recent trauma or hearing any popping noises. Denies feeling her knee giving away or locking. The pain has been getting worse over the last 3-4 weeks and has begun to limit her activity. States she feels well although has not been to see a provider for the last 3 years. She works as a secretary at a free clinic. Past Medical History: surgery for left carpal tunnel 10 years ago. Otherwise, she denies any medical or surgical history. Family Medical History: Mother deceased stroke. Father decreased – had rheumatoid arthritis Social History: nonsmoker, one glass of wine twice a week. Lives alone Medications: NKA. Take multivitamins, Aleve one a day three days a week for the knee aches. Vitals: BP 160/90 HR: 84 regular, Resp: 14 Wt: 210 Ht: 5’4” Cardiac: regular rate & rhythm, no murmurs, clicks, gallops, or rubs Respiratory: lungs clear bilaterally Abdomen: obese contour, soft, nontender, BS in all quadrants, no organomegaly or bruits Musculoskeletal: left knee slightly swollen without erythema or warmth. There is no tenderness to palpation. Drawer & McMurray are negative. The bulge and ballottement signs are also negative. There is mild non-pitting ankle edema. Skin: without any current suspicious lesions, rashes, or ulcers. Please answer the following questions: What is your top four (4) differential diagnoses? Identify your primary diagnosis & explain your rationale – findings that lead you to this diagnosis. What labs and diagnostic tests would you want to order – give rationale to each. What is your treatment plan? Identify pharmacologic and non-pharmacological treatments. Be specific with medications & dosages. What is your plan for follow-up care? What should your plan be for health maintenance and additional testing for this patient?