Cardiac output Correct Answer: heart rate x stroke volume Preload Correct Answer: -amount of blood in the ventricles before contractions Afterload Correct Answer: -how hard the heart needs to... pump to push blood out Contractility Correct Answer: -force and velocity of ventricle ejection Compliance Correct Answer: -ability of the heart to stretch PA (Swan-Ganz) catheter Correct Answer: -used to get direct measurements in the heart CVP/RAP Correct Answer: -Right atrium preload -normal is 2 to 8 PAP Correct Answer: -pulmonary artery pressure -afterload of the right ventricle - 15-25/8-15 PAOP (wedge) Correct Answer: -left ventricle preload -6 to 12 mmHg A line pressure Correct Answer: -left ventricle afterload -100-120/60-80 Hypervolemia interventions Correct Answer: -Diuretics -fluid restriction -slowdown infusion rate -listen to lung sounds -edema -JVD Hypovolemia interventions Correct Answer: -Give fluids -blood products -oxygen -vasopressors -monitor electrolytes PA Catheter placement Correct Answer: -goes into the right atrium of the heart -right 4th intercostal space mid axillary line Zero device of PA catheter Correct Answer: -Phlebo-static access device levels the transducer -The transducer must be aligned with the phlebo-static access Normal CO Correct Answer: 4-8L/min Cardiac index Correct Answer: 2.2-4L/min/squared SVR Correct Answer: 800-1200 dynes/sec/cm PVR Correct Answer: <250 dynes MAP Correct Answer: Systolic + 2(diastolic)/3 Hypovolemic shock Correct Answer: -Shock caused by fluid or blood loss Hypovolemic shock symptoms Correct Answer: -hypotension -tachycardia -weak thready pulse -cool -pale -moist skin -decreased urine output -confusion -weakness -decreased CO -increased SVR [Show More]
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