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Exam (elaborations)
CCRN (Pediatric) – AACN Critical Care Certification 2025/2026 | 150 Exam-Style Q&A
CCRN (Pediatric) – AACN Critical Care Certification 2025/2026 | 150 Exam-Style Q&A
Exam (elaborations)
CCRN – Test Questions and Answers 2023| Graded A+
PopularAV valves - mitral, tricuspid 
 
Semilunar valves - aortic, pulmonic 
 
S1 - Closure of AV valves - loudest at apex - beginning of systole 
 
S2 - Closure of semilunar valves - loudest at base - beginning of diastole, louder with PE 
 
S3 - Right after S2, associated w HR - also caused by pulmonary HTN and cor pulmonale 
 
S4 - Right before S1 - associated c aortic stenosis, myocadial ischemia, atrial gallop (Tennessee) 
 
Narrowing pulse pressure - severe hypovolemia 
 
Wid...