Ch.18 Flashcards

1
Q

Minute ventilation

A

The movement of air in and out of the lungs within a minute

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2
Q

What does fighting the vent mean?

A

An individual who is apparently doing well while receiving mechanical ventilation but suddenly develops acute respiratory distress.

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3
Q

What is asynchrony?

A

When the pts inspiratory efforts and flow demands are not accommodated by the vent. *Can be very uncomfortable for pt because WOB is inc & cost of breathing O2 effort is inc.

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4
Q

Why is “fighting the vent” challenging for clinicians?

A

Because pt cannot verbalize their discomfort so clinician doesn’t know what going on.

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5
Q

What will occur with fighting the vent?

A

The sudden onset of dyspnea

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6
Q

What is the number in obligation of a clinician?

A

Ensuring pt safety

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7
Q

How can a clinician gain valuable info while pt is on a vent?

A

Asking direct (yes or no) questions

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8
Q

What are some signs of physical distress?

A

Tachypnea, nasal flaring, diaphoresis, accessory muscle use, retraction of the suprasternal, Supra a ocular and intercostal spaces, abdominal paradox (belly breathing).

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9
Q

What are some patient related causes?

A

• Artificial airway problems
• Brochospasm
• Secretions
• pulmonary edema
• pulmonary embolus
• dynamic hyperinflation
• abdominal respiratory drive
• alteration in body posture (change in body position)
• drug induced problems
• abdominal distention
• pneumothorax
• anxiety

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10
Q

What are some vent related causes?

A

• system leak
• circuit malfunction or disconnection
• inadequate FiO2
• pt-vent asynchrony (manually bag disconnect from vent)
• inappropriate vent support mode
• inappropriate trigger sensitivity
• inappropriate inspiratory flow setting
• inappropriate cycle variable
• inappropriate PEEP setting
• problems with closed loop ventilation

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11
Q

What should happen when an alarm activates on a vent?

A

The clinician should first make sure that the pt is receiving adequate ventilation and O2.

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12
Q

T or F; During the initial assessment the alarm should be checked and silenced?

A

True

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13
Q

T or F; When a serious problem is detected, the pt should be disconnected from the vent and receive manual resuscitation with and ambu-bag?

A

True

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14
Q

T or F; Manual resuscitation must be performed cautiously to avoid inappropriate patterns of ventilation excessive pressures ( above 40cmH2O) and barotrauma.

A

True

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15
Q

T or F;disconnection of the pt from the vent can cause contamination of the pts airway, which can inc the pts risk for developing VAP.

A

True

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