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Best Practices: Lumbar Puncture Mark P. Brady, PA-C  |  July 28, 2016 Lumbar puncture (shown) is a procedure often performed in the emergency department for either therapeutic or diagnostic purposes. Most commonly, lumbar puncture is employed as a diagnostic procedure to diagnose meningitis, subarachnoid hemorrhage, or other infectious/inflammatory conditions. Lumbar puncture may be used to reduce the volume of cerebrospinal fluid (CSF) and thus mitigate the symptoms an...
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9 Bug Bites You Need to Know Bo Burns, DO, FACEP, FAAEM  |  July 27, 2016 Every part of North America teems with insects and arachnids during the summer. Restless, energetic, and tough, they readily colonize any human environment. They thrive on all food sources, including mammal blood, and roam our backyards like weaponized armies on aggressive missions. Thousands of species attack people, either in defense or as parasites. Some are mere nuisances; others can be deadl...
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9 Bug Bites You Need to Know Bo Burns, DO, FACEP, FAAEM  |  July 27, 2016 Every part of North America teems with insects and arachnids during the summer. Restless, energetic, and tough, they readily colonize any human environment. They thrive on all food sources, including mammal blood, and roam our backyards like weaponized armies on aggressive missions. Thousands of species attack people, either in defense or as parasites. Some are mere nuisances; others can be deadl...
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Deadly Sea Encounters: Bites and Envenomations: Slideshow Lars Grimm, MD, MHS   |  June 30, 2016 The marine environment is home to a beautiful variety of aquatic life. However, multiple marine species may present a hazard to humans via bite trauma, envenomation or even electrocution. This slideshow provides an overview of hazardous marine life and presents the basic treatment strategies for the care of victims. Image courtesy of shutterstock | guentermanaus. The great wh...
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Opium to the OR: A Visual History of Anesthesia Bret S. Stetka, MD; John Watson  |  June 2, 2016 Progress Against Pain Humanity's millennia-long pursuit of defeating surgical pain has been waged in every corner of the earth, with nearly all documented societies seeking its relief in one form or another. As such, the history of anesthesia is as varied as the cultures that contributed to its progress. Little by little, their efforts helped surmount the brutal conditions tha...
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Medscape > Fast Five Quizzes Quiz: What Do You Know About Hyponatremia? Romesh Khardori, MD, PhD April 19, 2016 Hyponatremia is an important and common electrolyte abnormality that can be seen in isolation or, as most often is the case, as a complication of other medical illnesses. It is defined as a serum sodium level <135 mEq/L and is considered severe when the serum level is <125 mEq/L. Many medical illnesses, such as congestive heart failure, liver failure, r...
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Rheumatoid Arthritis: In and Out of the Joint Mythili Seetharaman, MD  |  March 22, 2016 Rheumatoid arthritis (RA) is a chronic inflammatory disorder of the small joints of the hands and feet, in which synovial inflammation leads to joint erosion and deformity. It is an autoimmune condition that, besides affecting joints, also has systemic extra-articular manifestations. RA is more common in women older than 40 years. It is an independent risk factor for cardiovascular di...
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Medscape > Fast Five Quizzes Quiz: What Do You Know About Hyponatremia? Romesh Khardori, MD, PhD April 19, 2016 Hyponatremia is an important and common electrolyte abnormality that can be seen in isolation or, as most often is the case, as a complication of other medical illnesses. It is defined as a serum sodium level <135 mEq/L and is considered severe when the serum level is <125 mEq/L. Many medical illnesses, such as congestive heart failure, liver failure, r...
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10 Common Wilderness and Environmental Medical Illnesses and Injuries William Selde, MD, FAWM; Will Smith, MD, FAWN, Paramedic  |  April 13, 2016 Snake Bites Although most snakes in North America are not dangerous to humans, pit vipers and coral snakes are two types of venomous snakes in the United States whose bites may be life threatening.[7] Pit vipers include rattlesnakes, fer de lances, copperheads, water moccasins, and others.[8] Coral snakes belong to the same fami...
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Rheumatoid Arthritis: In and Out of the Joint Mythili Seetharaman, MD  |  March 22, 2016 Rheumatoid arthritis (RA) is a chronic inflammatory disorder of the small joints of the hands and feet, in which synovial inflammation leads to joint erosion and deformity. It is an autoimmune condition that, besides affecting joints, also has systemic extra-articular manifestations. RA is more common in women older than 40 years. It is an independent risk factor for cardiovascular di...
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