hyperkalemia due to acute renal failure

A 70-Year-Old Male Who Presents in a Confused State

A 70-year-old male presents to urgent care with confusion. On exam, the patient is tachypneic and is, indeed, confused but is able to follow commands. View the initial ECG taken and consider what your diagnosis and next steps would be. Resolution of the case is described on the next page. Figure 1. Initial ECG.(Case presented by Benjamin Cooper, MD, MEd, FACEP, Department of Emergency Medicine, McGovern Medical School at UTHealth Houston.) …
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A 41-Year-Old Woman with a History of SLE and Sudden-Onset Sores on Her Limbs

A 41-year-old woman with a history of systemic lupus erythematosus presents for evaluation of painful areas that had developed on her upper, outer arms and lateral thighs over the past month. She reports that while the affected areas were initially smooth, some had begun to ulcerate. View the photo taken and consider what your diagnosis and next steps would be …
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A 35-Year-Old Male with a Soft Tissue Mass on His Finger

The patient is a 35-year-old male with a soft tissue mass in the mid index finger of his right hand. He reports that he noticed it only recently, and denies any other symptoms. View the x-ray taken and consider what your diagnosis and next steps would be …
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Second-degree atrioventricular block, 2:1 conduction

A 79-Year-Old Male with Left Shoulder Pain and a History of Hypertension and CAD

A 79-year-old male with past medical history of hypertension and coronary artery disease presents to urgent care with left shoulder pain that is worse with movement. He reports intermittent nausea and vomiting, but denies dizziness, chest pain, shortness of breath, or history of trauma. View the ECG taken and consider what your diagnosis and next steps would be. Resolution of the case is described on the next page. Figure 1. Initial ECG.(Case presented by Catherine Reynolds, MD, McGovern Medical School at UTHealth Houston Department of Emergency Medicine.) …
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chikungunya

A 32-Year-Old with Fever, Cough, Arthralgia, and Photophobia

A 32-year-old immunocompetent male presents with fever, cough, arthralgia, and photophobia for a few days. On examination, he had a temperature of 100°F (37.8°C) and conjunctival injection. There was a widespread erythematous macular rash on his wrist. When asked about travel, the patient mentioned that he recently visited his family in the Dominican Republic. During his travels, he drank local water and sustained a few mosquito bites. His symptoms began approximately 4 days after his return home. View the photo taken and consider what your diagnosis and next steps would …
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