Anesthesiology Lab Final FINAL
Terms in this set (85)
Where can you take the pulse on a SA? (4)
lingual, femoral, dorsal pedal, plantar digital
What are the steps to leak check a NRBS Mapleson F?
close scavenge, hold off, distend bag, listen
What are the 2 (-) of propofol?
apnea, heart depression
What are the 4 components of the NRBS?
Fresh gas, Expiratory limb, APL or open/close valve, Bag
What is the measurement value when there is failure to oxygenate?
PaO2 < 60mmHg
Which tubes are oral and nasal?
magill and murphy
What does the epi release cause in stage I?
increase in HR and pupil dilation
In a rebreathing system with an open APL, what is the flow at the start and end of inhalation anesthesia?
High Flow = 50-100 ml/kg/min
What is Boyle's Law?
P is proportional to 1/V
Which reflexes are lost in stage III?
What does the operator dictate in controlled mehcanical ventiation?
What is the weight of a full cylinder of NO? Empy cylinder?
What type of scavenging system doesn't go over 2L?
What is not involved in a NRBS?
What does wright's respirometer not measure (2)?
ventilation or oxygen
When can you put the ET tube in (3)?
weak palpebral reflex, weak swallowing reflex, loss of jaw tone (SA)
What is the SVP of Sevo at 20C in mmHg?
What are the 5 (+) of butorphanol?
mild analgesia, good sedation, less ileus, minimal bradycardia and hypoventilation
What does midazolam do in sheep?
What should you keep the CO2 at in a mechanically controlled ventilation system?
What are the 4 (+) of a NRB system?
less resistance, simple, cheap to buy, gas concentration changes rapidly
What are the 4 purposes of ET tubes?
o administer anesthesia/oxygen
o reduced pollution
o reduced aspiration pneumonia
o allow for IPPV
What is the law that states temperature is proportional to pressure?
What are the 2 (-) of a RB system?
more expensive to buy, gas concentration changes slowly
What does pulse ox measure?
%Hb saturated with O2
What is the LPM of quick flush?
What is the consequence MAP < 60 mmHg?
problems with kidney and brain perfusion
When is hypoxemia (SpO2, PaO2)?
How can you measure the adequacy of ventilation (2)?
CO2 with blood gas and capnography
What is the oxygen flow rate in manual IPPV?
What does capnography measure?
How can you measure perfusion (3)?
PaO2 with blood gas, pulse ox, mm
What are the uses of a capnograph? (4)
monitors breathing, rebreathing of CO2, intubation assessment, CPR
What is Charles Law?
V is proportional to T
What is the human anesthetic mortality rate? dog? horse?
1 per 250,000; 1,500; 100
What do a-2 agonists cause in sheep (3)? What does sensitivity depend on?
hypoxemia, pulmonary edema, excitement; dose, rate, breed
What are the 5 causes of hypoxemia in sheep?
VQ mismatch, hypoventilation, O2 diffusion impairment, decreased FiO2, shunt
What gas is not caught in charcoal absorption? When is charcoal absorption ineffective?
N2O; induction chamber
When is the quick flush used? 4
CPR, increase recovery, flush residual vapors from breathing circuit, decrease anesthetic in breathing circuit
What can cause an intermediate pressure leak?
regulator, anesthesia machine
What do PEEP and PIP do to the heart?
What is CRT an assessment of? (2)
BV and peripherial perfusion
What is the measurement when there failure to ventilate?
PaCO2 > 60mmHg
What is the pressure and temperature of Nitrous Oxide?
750 psi at 20C
What is % saturation when oxygen partial pressure is 80mmHg?
What is seen with Propofol? (2)
analgesia and CNS depression
What should you strive for in mechanical ventilation in sheep?
What are the steps to a leak check in a RBS or Mapleson D?
close APL, hold off, 30cm H2O, <300ml/min then ok, turn off flowmeter, open APL
Who gives the oxygen in a demand valve?
patient or operator
What are the 3 purposes of the PBS?
deliver oxygen, anesthetic gases, eliminate CO2
How is the output concentration limited in the VOC?
What are 4 causes of the depression of respiratory centers?
anesthesia, NMB, metabolic, trauma
What is the SVP of Des at 20C in mmHg?
What is a demand valve used for?
What does bloat do to the cardiopulmonary system (4)?
decreased venous return, decreased CO and BPa, decreased ventilation, may have decreased oxygenation
Dog - Which arteries are used in direct BP monitoring? (3)
femoral, dorsal pedal, palmer digital
What can cause a high pressure leak (2)?
cylinder manifold, pressure regulator
In which 4 diseases would you use CVP to get your measurements?
hypovolemia, septic shock, heart and renal disease
What is the amount remaining in a charcoal system?
original weight + 50g
What is the equation for BP?
CO x SVR
What are the 2 (-) of butorphanol?
not good for a lot of pain, short duration of action
What does increased intrathoracic pressure cause (3)?
Transient pressure increase in R atrium and VC, Decreases all sorts of heart stuff, increases PNS
How long does charcoal absorption last?
How does a sphygmomanometer work?
detects oscillation in cuff pressure caused by pulsatile blood flow taking place under the cuff
What are the 5 (+) of acepromazine?
sedation, muscle relaxation, minimal respiratory effects, rapid onset, anxiolysis
What does NIOSH say about halogenated anesthetic agents?
exposure must be kept below 2ppm
What are the 4 (+) of propofol?
rapid induction and recovery, short-acting, some extra-hepatic metabolism
What does the fresh gas flow determine?
speed of induction/anesthesia
What is normal PO2?
What is the best way to measure respiratory efficiency?
Blood Gas Analysis
What 2 organs does pulse ox monitor?
heart and lungs
What is the normal SAP for dogs? DAP? MAP?
DAP = 50-80
MAP = 60-100
SAP = 90-140
What does CVP measure? What does it equal?
equals right atrial pressure
FIGURE OUT CRT
Which reflexes are extremely prominent in stage II?
What is the SVP of Iso at 20C in mmHg?
What are the 3 (+) of a RB system?
less pollution, warm air, cheaper to run
What 4 things can cause mm to be bright pink or red?
hypercapneia, vd, SIRS, hyperthermia
What does lung and chest wall compliance and level of airway pressure determine?
extent of decreased CO
What are the 5 (-) of acepromazine?
no analgesia, no reversal, dose dependent, vd, hypotension
What is normal lactate?
What are the 4 signs of CO2 exhaustion? What happens to HR and BP?
o Increase end tidal CO2, hyperventilation, Respiratory acidosis, red mm
o Increase in HR and BP initially, then drop
What is % saturation when oxygen partial pressure is 60mmHg?
What are the disadvantages of sphygmomanometer? (6)
less reliable, movement, stress, arrhythmias, takes a long time, VC
What gauge reads remaining gas pressure left in the cylinder?
cylinder pressure gauge