Perfusion Exam Clinical Application With Latest Updated Solutions 2024

Perfusion Exam Clinical Application With Latest Updated Solutions 2024 What are cannulation sites for an LVAD? - correct answer.Pulmonary Vein and Aorta What is the minimum pressure for an LVAD inflow, before you are at risk for drawing air? - correct answer.5 mmHg Correction for cannula entrapment in LVAD's can be accomplished by doing what? - correct asing the left atrial preload (decreasing flow) --> Cannula is sucking down in the LVAD inflow either in the pulm vein, lv apex, or just below crossing the aortic valve. What is the indication that indicates to add an RVAD? - correct answer.Right atrial pressure >20 mmHg with IABP and inotropic support Cannulation sites for RVAD support? - correct answer.Right atrium and pulmonary artery. Which would not be an important consideration in cannula selection? A. size B. Shape C. Cannula Circuit connector Size D. Flow requirements - correct answer.C. Cannula Circuit Connector Size Right Ventricular flow rates should be adjusted in relation to what? - correct answer.Left ventricular flow rate. In RVAD's, pump inflow cannula entrapment is indicated by? - correct ing or chattering of the line What action can correct RVAD cannula entrapment? - correct answer.Increasing the right atrial preload. (slow flow) When is heparin therapy to maintain coagulation in VAD's usually started? - correct answer.Within 24 hours after initial bleeding from surgery has been controlled. Sometimes patients will get protamine. ACT's should be between 150-200 seconds. When do patients diagnosed with atrial petal defects become diagnosed in relation to Qp/Qs ratio? - correct answer.1:1.5 What would normal urine output for a child who weights 12 kg be? What is the standard for urine output in cardiac patients? - correct answer.~20 ml/hour In cardiac patients it is suggest that urine output should be .5-1.0 ml/kg/hour What is the estimated blood volume of a child who weights 12 kg? - correct answer.75 * 12= 900 ml clinical manual of perfusion states that blood volume for a 11-20 kg child should be 80 ml/kg A 2 year old child weighting 12 kg is going on bypass. Prebypas Hct is 40% and priming volume is 1200 ml what is the diluted hematocrit? - correct answer.((12*75)*40)/((12*75)+1200)= 17.1% How is venous cannulation usually done in repair of an ASD? - correct al cannulation Upon going onto bypass pressure will drop in direct proportion to what? - correct sity Flow=perf pressure/(vasc resistance x viscosity) Which of the following would most likely be used to treat hypotension on a jehovah witness patient who requests no blood products be utilized. a) aramine b) ephedrine c)neosynephrine d) regitine - correct answer.C. neosynephrine (phenylephrine) 2 yr old 12 kg child is placed on complete bypass, when RA is opened large amount of venous blood is present. What is the cause - correct answer.Persistent left superior vena cava During CPB arterial blood gas for 2 yr old 12 kg patient : pH 7.35, pO2 188 mmHg, pCO2 27 mmHg. - correct ase blood flow, decrease sweep, give NaHCO3 What best characterizes cold agglutinin disease? a) collagen vascular disease b) serum antibody disease c) bacterial infection d) autosomal dominant trait - correct answer.B--> serum antibody disease. cold agglutinins is an auto immune disease