MedStudy Facts

Question 1

what PFT is obstructive

Answer 1

FEV1/FVC < 70 (actual)

Question 2

what PFT seperates emphysema and chronic bronchitis

Answer 2

DLCO low - emphysema

DLCO preserved and bronchitis

Question 3

what PFT is restriction

Answer 3

TLC low (<80% predicted)

Question 4

what PFT seperates intrinsci and extrinsction

Answer 4

NMD, scoliosis, and obesity

DLCO intrinsic low

Question 5

isolated DLCO low

Answer 5

pulmonary arterial hypertension

Question 6

flow volume loop obstructive

Answer 6

shortened loop and left shifted

Question 7

flow volume loop restrictive

Answer 7

skinny loop shifted to the right

Question 8

fixed obstruction flow volume loop

Answer 8

flat up and bottom, tracheal stenosis or goiter

Question 9

Extrathraocic inpiratory

Answer 9

flattening of the bottom part of the curve - vocal cord dysfunction

Question 10

extrathoracic expiratory loop

Answer 10

flattening of the top - tracheomalacia

Question 11

positive broncho change

Answer 11

> 12% change

Question 12

positive challenge test change

Answer 12

> 20 %

Question 13

IgE monoclonal antibody

Answer 13

omalizumab (need to have high IgE level) - monitor symptoms

Question 14

IL-5 monocolonal antibody

Answer 14

severe periphral eosinophilia (mepolizumab - Shingrex before), benralizumab, reslizumab (IV infusion)

Question 15

dupilumab

Answer 15

IL-4/IL-13 (self injection), directly affect the smooth muscle as well as einosphils

Question 16

blood test for Churg-strauss

Answer 16

p-anca

Question 17

medical therapy COPD FEV1 50-80

Answer 17

long-actcing bronchov (titropium) (LABA)

Question 18

medical therapy COPD FEV1 30-50

Answer 18

inhaled glucocorticoids

Question 19

careful with buproprion

Answer 19

lowers seizure threshold

Question 20

oxygen therapy

Answer 20

resting PaO2 < 55 or 88% or O2 sat < 89 if evidence of cor pulmonale

Question 21

apical disease (heterogenous)

Answer 21

lung volume reduction therapy

Question 22

roflimast

Answer 22

reduced exacerbation (chronic bronchitis)

Question 23

mortality reduction acute severe COPD

Answer 23

BIPAP

Question 24

RSBI

Answer 24

predicts weaning failure
< 105 is good
(RR/TV in L)

Question 25

FEV1 cut off for lung reduction

Answer 25

< 20

Question 26

light's criteria

Answer 26

pleural/serum protein > 0.5 pleural/serum LDH > 0.6 pleural fluid LDH > 2/3 ULN LDH

Question 27

in setting of diuretic use, how to ensure not CHF on pleural effusion

Answer 27

serum-effusion difference > 3.1

Question 28

optimal peak airway pressure

Answer 28

<35

Question 29

optimal plateau airway pressure

Answer 29

< 30

Question 30

increase peak pressure with normal platau

Answer 30

mucous plug

Question 31

glucose goal in the ICU

Answer 31

140-180

Question 32

`initial ideal TV

Answer 32

8-10 mL/kg of ideal body weight

Question 33

location of endotrachel tube

Answer 33

2-6 cm above carina

Question 34

low O2 on ABG after intubaion

Answer 34

raise PEEP

Question 35

pCO2 high on ABG during mechancial vent

Answer 35

increase RR and increase TV

Question 36

ARDS TV

Answer 36

4-6 ml/kg

Question 37

ARDS tV

Answer 37

5-15

Question 38

flourscopic sniff test

Answer 38

diaphragm paralysis

Question 39

depth of ET insertion

Answer 39

20-23

Question 40

classic trial of fat embolism

Answer 40

confusion, hypoxemia, and petichial rash

Question 41

oxygen during flights

Answer 41

if SpO2 on ground is < 92

Question 42

classic triad of asperigosis

Answer 42

cough, pleurtic chest pain and hemoptysis

Question 43

CT chest of asperilogisis

Answer 43

nodules with ground glass or cavitation with air fluid levels

Question 44

tx asperilogisosi

Answer 44

voricanozole