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After an adult cardiac arrest patient has been intubated by a paramedic, you are providing
ventilations as your partner performs chest
compressions. When ventilating the patient, you should:
A) deliver 2 breaths during a brief pause in chest compressions.
B) deliver each breath over 1 second at a rate of 10 breaths/min.
C) hyperventilate the patient to maximize carbon dioxide elimination.
D) deliver each breath over 2 seconds at a rate of15 breaths/min.
B) deliver each breath over 1 second at a rate of 10 breaths/min.
When ventilating an adult cardiac arrest patient with an advanced airway in place (ie,
ET tube, multilumen airway, supraglottic airway), you should deliver
each breath over a period oft second--just enough to produce visible chest rise--at a
rate of10 breaths/min (one breath every 6 seconds). Do not attempt to
synchronize ventilations with chest compressions once the airway has been secured
with an advanced device. Hyperventilation should be avoided, as it may
result in increased intrathoracic pressure, decreased blood return to the heart, and, as
a resu lt, less effective chest compressions.
A 5O-year-old man, who fell approximately 20 feet and landed on a hard surface, is
semiconscious. You should:
A) check for a carotid pulse if the patient is breathing rapidly.
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,B) gently tilt the patient's head back to assess for breathing.
C) begin positive-pressure ventilations with a bag-valve-mask device.
D) stabilize his head while performing the jaw-thrust maneuver.
D) stabilize his head while performing the jaw-thrust maneuver.
Because of the significant mechanism of injury (fa ll of greater than 15 feet), spinal
injury should be assumed. The fir t step in managing this patient is to
manually stabilize his head in a neutral position and open his airway with the jaw-
thrust maneuver, both of which can be performed simultaneously. After the
patient's airway is open, assess the rate and quality of his breathing and treat
accordingly. The head tilt-chin lift maneuver should not be used on a patient
with a possible spinal injury unless the jaw-thrust maneuver does not adequately
open his or her airway. The patient in this scenario is semiconscious;
therefore, he has a pulse (pulseless patients are unresponsive). If an uninjured patient
is found to be unresponsive, you should simultaneously assess for
breathing and a pulse; take no longer than 10 seconds to do this.
Which of the following assessment findings would indicate that a patient with a foreign
body airway obstruction has poor air exchange?
A) Stridor
B) Anxiety
C) Wheezing
D) Tachycardia
A) Stridor
If a patient thas ANY type of airway obstruction, you would expect him or her to be
anxious and tachycardic, so these findings are not specific to a patient
with poor air exchange. If the patient has adequate air exchange, he or she will be
coughing forcefully, although you may hear wheezing (a whistling sound) in
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,between coughs. The skin may be flushed and the patient's level of consciousness is
not altered. Poor air exchange is characterized by a weak, ineffective
cough; progressive respiratory distress; stridor (high-pitched sound heard during
inhalation); cyanosis; and a decreasing level of consciousness.
In which of the following situations would you MOST likely encounter agonal gasps?
A) Any patient who is unresponsive due to hypoxia
B) Occlusion of the posterior pharynx by the tongue
C) Shortly after the patient becomes unresponsive and pulseless
D) Significant hypoxemia, regardless of the cause
C) Shortly after the patient becomes unresponsive and pulseless
Agonal gasps are occasional, irregular, and ineffective breaths. They are commonly
observed in patients shortly after they become unresponsive and
pulseless (cardiac arrest). Agonal gasps may also be observed in patients with a
severe brain injury or cerebral anoxia (complete absence of oxygen). Patients
with agonal gasps require some form of positive-pressure ventilation. Hypoxemic and
hypoxic patients typically present with tachypnea (increased
respirations) in an attempt to eliminate carbon dioxide and bring in more oxygen.
However, as the hypoxic patient begins to decompensate, his or her
respirations often become slow (bradypnea). If the tongue is occluding the posterior
pharynx, a characteristic snoring sound is typically heard.
A 33-year-old female presents with acute respiratory distress. She is conscious but
anxious, and tells you that she has a history of asthma.
She took two puffs of her albuterol inhaler prior to your arrival, but states that it did not
help. Her oxygen saturation reads 89% and you
hear diffuse wheezing while auscultating her lungs. You should:
A) give her 100% humidified oxygen to dilate her bronchioles, monitor her oxygen
saturation, and transport her to an appropriate
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, medical facil ity.
B) assist her with a third albuterol treatment, contact medical control for further advice,
give her high-flow oxygen, and transport her
to the hospital.
C) ventilate her with a bag-valve-mask device until her oxygen saturation is at least 94%
and rapidly transport her to the closest
appropriate medical facility.
D) administer high-flow oxygen, contact medical control to request permission to assist her
with another albuterol treatme
D) administer high-flow oxygen, contact medical control to request permission to assist her
with another albuterol treatment, and
prepare for transport.
Despite two albuterol treatments, the patient is still experiencing respiratory distress.
Furthermore, the presence of wheezing indicates continued
bronchospasm. After administering high-flow oxygen via a nonrebreathing mask (her
oxygen saturation is 89%), you should contact medical control and
request permission to assist the patient with a third albuterol treatment. Drugs such
as albuterol (Proventil, Ventolin), metaproterenol (Alupent), and
levalbuterol (Xopenex) stimulate beta2 receptors in the lungs, resulting in
bronchodilation. Up to three bronchodilator treatments are typically given in the
prehospital setting. In some EMS systems, EMTs are not allowed to assist patients
with their medication without medical control authorization. After
assisting the patient with a third albuterol treatment, reassess her breath sounds and
oxygen saturation and transport her promptly.
In which position would you expect a patient with severe dyspnea to be found?
A) Prone
B) Supine
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