NUR 211 Perfusion
- Arterial line info
Answer -More accurate -Constant Monitoring -Pressor or Vasodilator med monitoring (some hospital policy) -Need to zero system and level
- ART line zeroing
Answer NEED to look at pressure bag--> blood and fluid meeting each other gives you BP reading
-3ml/hr -level and zero @ phlebostatic axis--> NEEDs to be accurate for reading so can tx BP Wave form--> dicrotic notch= Aortic valve closes Allen test to test collateral perfusion
- ART line comps
Answer -Bleeding--> pressure, arm above heart, check to see if pt. needs another placed -Infection -Air embolism -Site issue
- pulmonary artery Catheter
Answer Ind --> unexplained or unknown volume status in shock, severe cardio shock, Pulmonary HTN
-Balloon inflates for short time--> reading behind balloon
- Pre-Load Hemodynamics
Answer -Central Venous Pressure 2-8mmHg 1 / 2
Pulmonary artery wedge pressure 4-12mmHG decrease Preload= decreased volume, increased HR, pericarditis
- CVP (central venous pressure)
Answer Measurement of end diastolic pressure in right ventricle Increase= too much volume, peep, right ventricular failure Decreased= decreased blood, hemorrhage, 3rd spacing, vasodilation TX Increased- diuretics, decreased peep Decreased- pressor, decreased vasodilator, increase volume
- Pulmonary Artery wedge pressure
Answer Reflects left ventricular end diastolic pressure
increased= pulmonary edema, stenosed mitral valve decreased= decreased volume
- After load
Answer Systemic vascular resistance (SVR) 800-1200 dynes/ sec
increased= decreased CO (vasoconstriction) decreased= increased CO (vasodilation)
- Contractility
Answer Comps- Arrythmias, HF, shock CO (SVxHR)
Map--> SBP+ 2(DBP)/ 3
-70-100
- Bradycardia info
Answer <50bmp
s/s--> change in LOC, restless, sweating, decreased BP, Decreased CO
- / 2