Pleural effusion Flashcards

1
Q

reexpansion pulmonary edema pathophysiology?

A

inc pulmonary blood flow and capillary failure in ipsilateral side->cytokine inflamation on ipsi and contralateral side

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2
Q

treatment of complicated pleural effusion?

A

thoracostomy with instillation of TPA gyrase

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3
Q

findings of a pleural effusion from a ruptured esophagus?

A

exudative, low pH, and a high amylase

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4
Q

things that cause a transudative effusion?

A

cirrhosis, CHF, nephrotic syndrome, iatrogenic infusion of crytalloids into pleural space, urinothorax

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5
Q

defining characteristic of urinothorax?

A

pleural/serum Cr >1

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6
Q

best test for evaluation pleural effusion?

A

CT equivalent to US

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7
Q

physiology of effusion?

A

pleural fluid arises from parietal pleura vasculature and then is reabsorbed by the lymphatics

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8
Q

Lights critera?

A

pleural/serum: protein >.5, LDH >.6

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9
Q

pseudoexudate in pleural effusion?

A

due to diuretic use, can account for albumin (serum albumin- pleural albumin) if <1.2

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10
Q

bloody pleural fluid?

A

TB malignancy

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11
Q

milky pleural fluid?

A

chylous

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12
Q

anchovy paste pleural fluid?

A

ameoba

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13
Q

high triglycerides in pleural fluid?

A

chylothorax

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14
Q

high Cr in pleural fluid?

A

urinothorax

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15
Q

Post CABG pleural effusion?

A

L>R, exudate,

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16
Q

TB pleural fluid?

A

exudate, lymphocyte predominance, positive ADA, culture negative

17
Q

drugs that cause an exudative effusion?

A

nitrofurantoin, methotrexate, amiodarone, phenytoin

18
Q

exudate with increased amylase?

A

ruptured pancreatic pseudocyst

19
Q

chylothorax?

A

milky with triglycerides >11

20
Q

treatment for a retaine dhemothorax?

21
Q

when to do thoracotomy for hemothorax?

A

> 200 cc/hr, or 1500 in 24 hour

22
Q

TPA plus dornase benefit for empyema?

A

reduce need for surgery and decrease LOS

23
Q

pleural fluid salivary isoamylase effusion cause?

24
Q

pancreatic isoamylase in fluid?

A

pseudocyst

25
how to prevent reexpansion pulmonary edema?
limit end exp pleural pressure to -20 cm h2o, gradual removal of fluid
26
effusion of RA?
exudative and lymphocytic
27
pseudoexudate
transudative efusion with elevated protein or LDH secondary to diuretic use
28
how to increase specificity for exudate?
serum - pleural albumin <1.2
29
drugs that cause exudate?
NFT, MTX, phenytoin, amiodarone
30
parapneumonic effusion labs
LDH>1000, ph <7.2 need chest tube
31
how to treat venous air embolism?
left lateral decubitus and trendelenburg | puts RVOT lower than RV and improves RV
32
position for arterial air embolism
remain flat to reduce cerebral gas embolism