WorksheetsMechanical ventilation waveform interpretation
Total questions: 50
Worksheet time: 45mins
The breaths shown in the figure are
Supported
Assisted
Mandatory
Spontaneous
The MV mode in the Figure is
AC-VC
SPN-PSV
AC-PC
SIMV-VC
This figure represents
A flow time scalar showing the effect of bronchodilators
A pressure time scalar showing AutoPEEP
A pressure time scalar showing effect of bronchodilators
A Flow time scalar showing AutoPEEP
In this scalar , the difference between the first and the second breath is due to which of the following?
1)Atelectasis
2)Bronchospasm
3)increased airway secretions
4)pulmonary oedema
1 and 2
1 and 3
2 and 3
2 and 4
This graph represents
Flow Volume Loop
Pressure Time Scalar
Volume Time Scalar
Flow Time Scalar
the proper management regarding this case is
sedation
consider ETT suction
increase PEEP
add bronchodilators
The mode of MV in the figure is
AC-PC
SPN-PS
PPS
SIMV+PS
The difference between figure 1 and figure 2
The Pinsp
was increased by the physician
The lung compliance Of the patient decreased
the mode was shifted from AC-VC to AC-PC
The ETT was blocked
Choose the correct statement
This graph represents Pressure Volume Loop
The mode in the graph is a pressure control mode
The delta P represented by the blue arrow should be kept above 15 cmh20 by titration of TV
the delta P represented by the blue arrow is a function of both TV and respiratory system compliance
What is the problem shown in the graph
Air-leak
Flow starvation
Auto-PEEP
Active exhalation
This patient on PCV mode, according to this P-T scalar which is the most appropriate Rise time setting
A
B
C
Cannot be identified from this curve
The scalars in the figure show
Application of an inspiratory hold in a patient with AutoPEEP
Administration of sedation in a patient on CSV mode
A patient with delayed trigger
Application of an expiratory hold in a patient with air trapping
The mode shown in the figure is
AC-PC
SIMV+PS
PRVC
AC-VC(AutoFlow)
The bed side nurse has just called you because she recognized an abnormal alarm on the ventilator , upon reviewing the waveforms (A prior to alarm and B after the alarm) the most appropriate action is
Check the patients RASS score and consider sedation
Check the ventilator circuit
Shift to AC-VC mode
Re-assure the nurse
Patient admitted to the ICU with lobar pneumonia upon which he was intubated mechanically ventilated,currently his breath is dyssynchronus on the ventilator .
which of the following is most likely to improve his dyssynchrony.
increase the inspiratory flow rate
increase the set ventilator rate
add a plateua time 0.2seconds
shift the patient to prone position
What is the type of patient ventilator dyssynchrony shown in this figure
Flow starvation
double trigger
ineffective trigger
delayed cycling
A patient on MV appears uncomfortable
according to this wave form what is the optimal intervention
Change ETS from 50 to 75
increase inspiratory time
increase rise time
shift to PSV mode
the following figure shows
air leak
flow starvation
ineffective effort
delayed trigger
What information is incorrect regarding this figure
This is a volume targeted mode
the flow pattern is constant
there is a short plateau time
autoflow feature is activated
A patient X was on mechanical ventilation.
he suffered an attack of COPD exacerbation
which of the following figures shows his Waveforms after the exacerbation?
A
B
C
D
E
This patient was on SPN mode(PSV)
The nurse noticed that he is not doing well on MV
his SPO2 Is 99% on fio2 35%
what are the suggested lines of management ?
Decrease ETS in increments of 10%
Decrease pressure support.
Increase PEEP level and Fio2
Consider sedation and shifting patient to controlled mode
in the figure shown on the left
what difference occurred from breath A to breath B
The set inspiratory time has decreased
The patient compliance has worsened
the patient resistance has increased
the flow cycle percentage has been increased
the following figure shows
SIMV mode
flow starvation
missed efforts
PSV mode
In the previous figure considering that patient 2 has normal lung mechanics
which of the following statements is true regarding patient 1
Patient 1 has low compliance
patient 1 has high compliance
patient 1 has long insp. time constant
patient 1 has severe bronchospasm
The difference between breath A and Breath B in the figure
Shifting to PC mode
Increasing flow rate
Administring sedation to the patient
Setting Tpl to 0.0 seconds
which statement is correct regarding this figure
the first and the third breaths are assisted
the mode is PRVC
The mode is SIMV
the second breath is machine triggered
This figure shows
double trigger
delayed cycling
rapid rise time
Autopeep
This patient Mechanically ventilated on PCV mode upon clinical round he looks distressed.
using the waveforms what is the optimal intervention and change in settings would be appropriate?
increase inspiratory time Ti
increase rise time
decrease inspiratory flow
shift to PSV mode
This figure shows
A mandatory breath
a spontaneous breath
an assisted breath
type of breath cannot be identified from this graph
The scalar in the figure shows
An application of an inspiratory hold in a patient with significant AutoPEEP
Application of inspiratory hold in a patient with significant leakage
Application of inspiratory hold with no detected abnormalities
Application of expiratory hold in a patient with AutoPEEP
•Mr X suffering severe ARDS ,he is sedated and paralyzed,His oxygen saturation now is 79 percent.ECMO team was consulted and Recruitment maneuver was considered as a salvage therapy.
•Which curve support this technique?
A
B
C
Non of the above
According to this figure the optimal intervention for this patient is
Increase intrinsic PEEP
Decrease inspiratory flow
Check for circuit leak
decrease Ti
The panel with the blue arrow represents
Sp02(Saturation)
End Tidal CO2
EDi
Esophageal balloon measurement
This ventilator tracings belongs to a patient with
Severe ARDS
Severe Emphysema
Severe pneumonia
Normal lung mechanics
A patient with ARDS in the ICU on MV
This is his wave form
what is the best strategy to decrease high carbon dioxide level
Increase T high
increase frequency by 1HZ
decrease P high
Increase T low
The MV mode in the current figure is
VSV
PAV
SIMV
HFOV
According to the figure on the left the best intervention to this patient is
Increase intrinsic PEEP
check for circuit leak
increase inspiratory flow
administer bronchodilators
These scalars show
ETT-Leakage
Active exhalation
Circuit leakage
Rapid rise time
A patient Mr X was on mechanical ventilation.
Hewas doing fine
he suffered an attack of acute pulmonary oedema .
which of the following figures shows his Waveforms after the pulmonary oedema?
A
B
C
D
E
Which time constant is more consistent with an ARDS patient
A
B
C
D
A male patient 46 years old with no history of COPD
current Spo2 97%
According to the ventilator readings and graph the best intervention
Increase PEEP level
decrease FiO2
Increase NAVA level
Switch to AC PC mode
This figure shows
Auto Trigger
Double Trigger
Reverse Trigger
Ineffective Trigger
A 47-years old male , heavy smoker ,he has dyspnoea on minimal exertion and inspiratory/expiratory stridor. 2 years ago, he was hospitalised for severe pneumonia and ARDS, and was tracheotomised and mechanically ventilated for 7 weeks. You perform PFT and spirometry to confirm your suspected diagnosis.
Which of the following flow–volume curves is most likely to be his?
A
B
C
D
A male patient diagnosed as severe CAP, complicated ARDS , he was mechanically ventilated few days ago
his current sp02 is 84%
according to the following scalars
the best option to improve SpO2
Increase T low to o.7 seconds
Increase sedation and consider increasing NMBs dosage
Increase P high to 30 cmh2o
Increase frequency to 30 bpm
According to this figure the best intervention for this patient is
Pull the Edi catheter out
push the Edi catheter in
Increase NAVA level
switch to AC-VC mode
The solution to the problem in the figure
Increase PEEP level
Perform ETT suction
Reduce TV
Increase PIFR
A male patient 47 years old on MV
The optimal change according to the figure
Increase NAVA level
Decrease NAVA level
Increase PEEP
Consider sedation
The patient in the figure has
ARDS
COPD
Normal lung mechanics
pneumonia
Which figure shows an appropriate change in settings to wash Co2 compared to the initial one
The best management according to this capnography tracing is
Check position of ETT and consider its withdrawal
Consider increasing dosage of neuromuscular blockade
Consider decreasing dosage of neuromuscular Blockade
Consider tubal obstruction
