Contributor: Meghan Hurley MD Educational Pearls: What is ATLS? Advanced Trauma Life Support (ATLS) is a systematic and comprehensive approach to the evaluation and management of trauma patients It was developed by the American College of Surgeons (ACS) The key components include the Primary Survey (“ABCDE”), the Secondary Survey, Definitive Care, and Special Considerations What…
Read MoreContributor: Meghan Hurley MD Educational Pearls: Shift work is defined as anything that takes place outside of a 9-5 schedule, not exempting day-shift medical workers Various ill effects of shift work on overall health: Increased all-cause mortality Increased number of accidents Glucose metabolism dysregulation Increased BMI Fertility impacts for men and women Increased breast cancer…
Read MoreContributor: Aaron Lessen MD Educational Pearls: Why is airway management more difficult in obesity? Larger body habitus causes the chest to be above the head when the patient is lying supine, creating difficult angles for intubation. Reduced Functional Residual Capacity (FRC) causes these patients to deoxygenate much more quickly, reducing the amount of time during…
Read MoreContributor: Nick Tsipis MD Educational Pearls: The scaphoid bone is the most proximal carpal bone just distal to the radius Fractures of the scaphoid bone are sometimes missed by plain X-rays A 2020 review found a 21.8% incidence of missed scaphoid fractures later diagnosed by advanced imaging modalities Only MRI has a sensitivity above 90%…
Read MoreContributor: Aaron Lessen MD Educational Pearls: What is Carbamazepine (Tegretol)? Carbamazepine is an anti-epileptic drug with mood-stabilizing properties that is used to treat bipolar disorder, epilepsy, and neuropathic pain. It functions primarily by blocking sodium channels which can prevent repetitive action potential firing. What are the symptoms of an overdose? Common initial signs include diminished…
Read MoreContributor: Aaron Lessen MD Educational Pearls: A recent randomized controlled trial compared ondansetron 8 mg IV with droperidol 2.5 mg IV for the treatment of nausea & vomiting in the emergency department. Overall, droperidol and ondansetron had similar primary outcomes in acute nausea control Symptom improvement in 93% of patients receiving droperidol vs. 87% receiving…
Read MoreContributor: Aaron Lessen MD Educational Pearls: What is measured in an ABG/VBG? Blood values for oxygen tension (pO2), carbon dioxide tension (pCO2), acidity (pH), oxyhemoglobin saturation, and bicarbonate (HCO3) in either arterial or venous blood Other tests can measure methemoglobin, carboxyhemoglobin, hemoglobin levels, base excess, and lactate What are they used for? Identification of ventilation/acid-base…
Read MoreContributor: Aaron Lessen MD Educational Pearls: Patients with alcohol use disorder are frequently discharged from the ED without further resources Pharmacological treatments to reduce cravings in AUD exist Naltrexone Effective at reducing alcohol cravings and heavy drinking Gabapentin Reduces the percentage of heavy drinking days in AUD Patients being discharged from the ED should be…
Read MoreContributor: Travis Barlock MD Educational Pearls: When might you need to apply a painful stimulus in a medical setting? The main reason is to assess the patient’s level of consciousness, such as when they are waking up from anesthesia or have potentially suffered a brain injury. It can be part of the Glasgow Coma Scale…
Read MoreContributor: Travis Barlock MD Educational Pearls: Alcohol binds the GABA receptor, which produces an inhibitory response, hence the “depressive” effects of ethanol beverages. Over time, alcohol downregulates the GABA receptors, leading to unopposed glutamate activity. Given that glutamate is excitatory, this can lead to seizures. Alcohol also suppresses REM sleep; in patients with chronically suppressed…
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