12. The final femoral stem has a roughened surface to encour | Figure 1

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  1. The final femoral stem has a roughened surface to encourage bone ingrowth for biologic fixation. What are the advantages of this stem type over the newer modular tapered revision stems? #muscrounds

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This is a total hip arthroplasty on an older female patient. In a total hip arthroplasty, the damaged bone and cartilage is removed and replaced with prosthetic components. The damaged femoral head is removed and replaced with a metal stem that is placed into the hollow center of the femur. The femoral stem may be either cemented or "press fit" into the bone. A metal or ceramic ball is placed on the upper part of the stem. This ball replaces the damaged femoral head that was removed. The damaged cartilage surface of the socket (acetabulum) is removed and replaced with a metal socket. Screws or cement are sometimes used to hold the socket in place. In this case, a plastic spacer is inserted between the new ball and the socket to allow for a smooth gliding surface. Dr. Dorr used a Total Joint Orthopedics Klassic HD Hip System for this procedure.


#Fracture through the neck of a femur required removal and replacement of head (ball) of #Femur . The ligamentum teres (green) aka Round ligament of the femur, has to be cut in order to allow removal. We used a pressfit (no cement) stem and used the native acetabulum which was intact in this 67 year old female.


66 yo female with hx of breast CA s/p rad and HTN that presents after fall down 2 stairs. Had bilateral THAs performed approx 10 years ago with very long primary stems unfortunately. S/p L hip revision arthroplasty, greater troch ORIF and L femur ORIF


Double long stem total knee #Arthroplasty replacement for previously infected primary TKA after antibiotic spacer treatment.

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A 52-year-old man presented with a 20-minute history of chest pain radiating to the left shoulder and neck, associated with dyspnea and diaphoresis. He had a history of hypertension, long-term smoking, and a sedentary lifestyle. On physical examination, bibasilar crackles were noted on lung auscultation. An electrocardiogram (ECG) was performed in the primary care setting, and the patient was promptly referred to the emergency department.


A 28-year-old woman presented with a 3-day history of intense pruritus over the lower back. She reported no recent travel or exposure to new environments. She cares for a small kennel with approximately eight dogs rescued from the streets. Physical examination revealed multiple small vesicles, some clustered and others scattered, predominantly involving the lumbar region and the left gluteal area.


A 4-month-old male infant presented with skin lesions localized to the chin for the past 3 days. Physical examination revealed multiple small pustules with surrounding inflammatory signs on the chin, along with a few scattered papules on the chest.


patient in late teens presenting after a collapse, no chest pain, no previous cardiac history, no history of sudden death in family, are there any features in this ekg that would warrant further work-up or is this just a pediatric ekg?