NURS 317L Cardiac System Quiz 3

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S&S of Infant w/ HF • Cool extremities • Peripheral edema • Nasal flaring Cardiovascular Changes @ Birth • Fetal circulation has structures in place to bypass the lungs such as  duct... us arteriosus (connects aorta & pulmonary artery) & foramen ovale (connects R & L atrium) Pediatric Indicators of Cardiac Dysfunction • Cyanosis (oral mucosa) • Pale • BP • Pulse • Weight & growth • Adequate feeding tolerance • Look @ chest rise & heaves (added fluid that looks like bubbles) • Listen to chest (s1 & s2 & murmurs) • Palpate chest (for thrills or vibration = turbulent blood flow) • JVD Pulse oximetry screening looking for heart defects • Painless & noninvasive & completed w/in first 24 hrs. of life • 30 sec reading on finger & toe • GOOD = 95% or > • Usually asymptomatic (left to right shunt) Tests of Cardiac Function • EKG  electrical conductivity of heart • Cardiac catheterization (DIAGNOSTIC & can see & fix obstructions) • Chest x-ray • O2 sat ( = either respiratory or cardiac issue; 1st check lungs if OK then it’s a heart prob) Electrode Placement (3 lead) • Continuously monitors heart rate & respiratory rate • RIGHT = always (WHITE) & smoke (BLACK) over fire (RED) Heart Diseases – Causes of Congenital Heart Defects • Maternal factors  drugs, smoking, environmental factors, comorbidities w/in mother • Genetic factors  atrial septal defect [Show More]

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