NURSING 266
Florence-Darlington Technical College
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Exam (elaborations)
2017 RN HESI Critical Care Cardiac Exam.docx
Dysrhythmia Management, Pacemakers, and Defibrillators Electrical impulses are generated from SA node (pacemaker of the heart). SA node is located on top of atrium. Job of SA node to set heartrate. SA node fires impulses rate at 60-100 beats per minute. AV node acts as secondary pacemaker. If SA node doesn’t fire, the AV node can initiate impulses. Problem is that AV node generates impulses 40- 60 beats per minute. Signal starts at SA node travels to AV node travels to R and...
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Other
Critical Care Hesi Review SG
PopularABG’s-refer to notes Dec. K+-confusion, lethargy, & irregular pulse Acute Kidney Injury Trauma (TBI)- ABCDE (airway, breathing, circulation, disability (glasgow coma score), expose patient) head inj, trauma to skull will result in bleeding, hematoma, infection, or seizures Nurs interventions: assess for change in LOC, visual disturbances, watch for CSF drainage from ears, & nose (if yellow halo) will show glucose on the strip Feet elevated while keeping head flat or elevated to no more ...
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