21M lost control of his motorcycle and crashes into the medi | Figure 1

21M lost control of his motorcycle and crashes into the median on the highway. He had two tourniquets applied by the fire department in the field. He presented to the trauma bay with an isolated injury to his left lower extremity. He had a traumatic through knee amputation with extensive contamination and soft tissue injury. There was not any pulsatile bleeding. How are you going to decide what level of amputation is required for the patient? What surgical steps are taken to decrease the chance for post-operative deformity? After deciding which amputation you are going to perform, what metabolic changes are to be expected with ambulation?

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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.

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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?