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25 Terms
What kind of heart block is this?
1st degree
What kind of heart block is this?
2nd Degree type I (Wenckebach)
What kind of heart block is this?
2nd degree type II (Mobitz II)
What kind of heart block is this?
3rd degree (Complete)
How does bone, consolidation, and fluid present on a CXR?
Radiopaque
How does air, normal lungs, or a pneumothorax appear on a CXR?
Black
How would infiltrates (PNA) appear on a CXR?
Patchy white clouds
What formula is this?
PaO2/FiO2
P/F Ratio
What is the normal for P/F ratio?
>380. <380 indicates an acute lung injury and <200 indicates ARDS
What formula is this?
PAO2 - PaO2
A - a gradient
What formula is this?
(PaCO2 - PeCO2) / PaCO2
VD/VT ratio. This measures dead space
What is the normal rang for VD/VT ratio?
0.20 to 0.40
What formula is this?
(frequency / Vt) x 1000
RSBI
RSBI should be less than what?
105
What is the formula for dead space?
(PaCO2 - PeCO2) / PaCO2
How do you calculate RSBI?
(frequency / VT) x 1000
How do you calculate the P/F ratio?
PaO2 / FiO2
What is a 1st degree heart block?
PR interval is consistently long, but every P-wave has a QRS
What is a 2nd degree heart block type I? (Wenckebach)
The PR interval gets longer, longer, longer, then drops a QRS
What is a 2nd degree heart block type II? (Mobitz II)
The PR interval stays consistent, but a QRS is suddenly dropped without warning
What is a 3rd degree heart block? (Complete)
The atria and ventricles are doing their own thing. No relationship between P-waves and QRS complexes
What is the issue in this CXR?
Pneumonia
What’s wrong with this CXR?
Pneumothorax
What’s wrong with this CXR?
CF/Bronchiectasis
What’s wrong with this CXR?
Pulmonary Edema