Respiratory Flashcards

1
Q

Rx for pulmonary AH

A

bosentan

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2
Q

Bosentan MOA

A

competitive antagonist of endothelin-1 receptor

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3
Q

Methacholine vs

A

ipratropium (M3 receptor blocker)

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4
Q

thoracocentesis rules

A

above 7, 9, 11

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5
Q

cyanosis, chocolate colored blood, dusky skin

A

methhemoglobinema

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6
Q

cyanosis happens when deoxy Hb is

A

mt 5g/dl

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7
Q

normal A-a gradient

A

10-15 mm Hg

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8
Q

conditions of hypoxemia with nl A-a gradient

A

alveolar hypoventillation (high altitude and opioid use)

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9
Q

life threating epistaxis which A

A

sphenopalatine A (branch of maxillary)

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10
Q

lines of Zahn is seen if thrombi are formed ….

A

before death

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11
Q

pulmonary emboli blood picture

A

resp alkalosis
Increased pH
Decreased PO2 and PCO2

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12
Q

mech of rash in fat emboli

A

thrombocytopenia leading to petcheial rash

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13
Q

obstructive characteristic

A

decreased FEV1/FVC ratio

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14
Q

4 drugs causing restrictive lung disease

A

bleomycin, busulfan, amiodarone and MTX

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15
Q

reticulo nodular opacitiy in CXR

A

interstitial lung disease (honey coomb lung )

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16
Q

only one body in pneumoconiosis

A

asbestos body (ferruginous) golden brown looks like dumbells

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17
Q

pathognomonic of asbestosis

A

pleural plaques

18
Q

berylliosis

A

airplane granuloma

19
Q

coal worker

A

black lung

20
Q

Berryliosis risk

A

TB and Cancer

21
Q

lobe predilection for pneumoconiosis

A

asbestosis - lower lobe (all else upper lobe)

22
Q

gold std for asbestosis

A

EM (asbestosis fibres)

23
Q

acid base in neonatal RDS

A

metabolic acidosis

24
Q

in obesity, even at walking hours, PaCO2 is ….

A

increased (retention)

25
Rx for idiopathic PAH
bosentan (endothelin receptor antagonist) | Lung transplantation
26
extended consumption of fenfluramine is associated with
PAH
27
fremitus increased only in
consolidation
28
secondary spont pneumothorax due to
diseased lung or mech vn
29
cold agglutinin pneumonia
mycoplasma
30
lung abscess rx
clindamycin
31
paraneoplastic cerebellar degeneration
small cell ca
32
squamous and small cell ca are
central and smokers
33
Rx for small lung ca
chemotherapy (always)
34
mucin + lung ca
adenoca (copious secretion)
35
ca of non-smokers
adenoca (MC ovaerall)
36
large cell ca secrete
beta hCG (large breast and galactorrhoea)
37
2nd gen anti-histamine cause less sedation because
don't cross BBB
38
mucous thinners
quaifenesin & NAC
39
omalizumab receptor
IgE
40
toxicity of theophylline and Rx
cardio and neuro (give beta blockers)
41
bronchiolitis obliterans
c/c transplant rejection