CCRN: Pulmonary Flashcards

1
Q

most common EKG changes from pulmonary embolism…

A

tachycardia and afib

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2
Q

how does D-Dimer lab help to diagnose a PE?

A

it will be negative to rule out PE… d-dimer increases when there is a clot

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3
Q

t-PA indicated for PE when…

A

pt. is hemodynamically UNstable

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4
Q

the major symptoms of Fat Embolisms Syndrome (FES) is…

A

hypoxia, pulmonary edema, petechiae aka they show signs like ARDS

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5
Q

Heliox is a combo of helium and oxygen that is used in asthmatics to…

A

reduce CO2

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6
Q

most common etiology of ARDS is…

A

sepsis

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7
Q

magnesium sulfate may be given to the asthmatic who…

A

is unresponsive to trad. therapy

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8
Q

COPD is characterized by..

A

bronchoconstriction of terminal bronchioles

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9
Q

heliox is used for…

A

asthmatics to reduce carbon dioxide - its a helium and oxygen combination therapy

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10
Q

the most common etiology of ARDS is…

A

sepsis

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11
Q

pt. recovering from an asthma attack, suddently starts having substernal chest pain, worse with inspiration, radiates to neck and dyspnea… whats causing this?

A

pneumomediastinum…

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12
Q

most appropriate intervention for someone hypoxic and hypercapnic

A

mechanical ventilation……… initially it would be BiPap

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13
Q

warning signs of severe asthma attack include…

A

nocturnal bronchodilator use

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14
Q

pulmonary sarcoidosis is charactertized by

A

granulomas seen by CXR and dry cough

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15
Q

most common cause of hemothorax is…

A

rib fx

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16
Q

Virchows triad (related to PE)

A
  1. venous stasis 2. endothelial injury (alteration in the blood vessel lining) 3. coagulopathy
17
Q

diagnostic tests for PE

A

VQ scan (ventilation/perfusion scan), MRA, pulmonary angiography “gold standard” - not readily available, Spiral CT (fast than VQ scan), doppler US, EKG changes (only happens in 20% of patients - afib/sinus tachy/ t-wave inversion

18
Q

hemodynamics in a PE

A

increased Pre-Load, decreased CO, increased After-Load

19
Q

what can cause FES?

A

fracture of long bone… non-operative treatment… closed pelvic fractures…. fat deposits from bone marrow enter blood stream…. fat can be found in urine….. fat deposits can cause ARDS