RT Book, Section A1 Hillman, Robert S. A1 Ault, Kenneth A. A1 Leporrier, Michel A1 Rinder, Henry M. SR Print(0) ID 1127768536 T1 HEMOPHILIA AND OTHER INTRINSIC PATHWAY DEFECTS T2 Hematology in Clinical Practice, 5e YR 2016 FD 2016 PB McGraw-Hill Medical PP New York, NY SN 9780071626996 LK hemonc.mhmedical.com/content.aspx?aid=1127768536 RD 2024/10/09 AB CASE HISTORY • Part 1A 66-year-old man presents with a complaint of bruising and severe pain in the right arm and forearm after painting a wall yesterday. His history is notable for osteoarthritis, hypertension, and non–insulin-dependent diabetes mellitus; he denies any prior history of bleeding. His medications include hydrochlorothiazide and glyburide (a sulfonylurea), and he took ibuprofen for the pain last night. Examination is notable for large ecchymoses over the right shoulder and triceps, with swelling and tenderness of the right forearm and wrist. The remainder of the examination is benign.Table Graphic Jump Location|Download (.pdf)|PrintCBC: Hemoglobin/hematocrit - 13 g/dL/39%MCV - 94 fL MCH - 29 pg MCHC - 28 g/dLRDW-CV - 11% WBC count - 13,500/μLDifferential:Neutrophils - 45%Lymphocytes - 50%Monocytes - 5%Platelet count - 300,000/μLPT = 12.1 seconds (<14 seconds)INR = 1.0 (<1.3)PTT = 77 seconds (22–35 seconds)QuestionsDo the CBC and screening coagulation test results point to a specific cause for a bleeding tendency in this patient?Are additional studies warranted for diagnosis or determining therapy?