USMLE STEP 2 Question of the Day 4

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Subscribe for daily Step 2 questions and more medical education content! • Correct Answer: A: Tachycardia greater than 90 BPM • Topic: Infectious Disease • Explanation: The Systemic Inflammatory Response Syndrome (SIRS) criteria are used to identify patients who may be experiencing a systemic inflammatory response, which can be due to various causes, including infection (sepsis), trauma, pancreatitis, or other inflammatory conditions. The criteria include: • 1. Body temperature: Greater than 38°C (100.4°F) or less than 36°C (96.8°F) • 2. Heart rate: Greater than 90 beats per minute • 3. Respiratory rate: Greater than 20 breaths per minute or arterial carbon dioxide tension (PaCO₂) less than 32 mm Hg (hyperventilation) • 4. White blood cell count: Greater than 12,000 cells/mm³ or less than 4,000 cells/mm³ or greater than 10% immature (band) forms • Other lab values outside of WBC count, like CRP are not included in SIRS. RR and PaCO2 are included, but SpO2 is not. Blood pressure is not included, but is an important marker when talking about septic shock. • Tags: #usmlestudents #usmle #step1 #step1prep #step2 #nbme #usmleprep #usmlepreparation #usmlestep1review #usmlestep #usmleexams #med #meded #medicalschool #medicaleducation #medicalexam #medical #medicalstudent #questionoftheday #qotd #qbank #freestepstudying #viralreels #viralshorts #viralshortvideo #infectiousdisease #id #sepsis #septicshock #sirs #EM #emergencymedicine #emshelf #emergencymedicineshelf

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