Special Procedures Flashcards

1
Q

What is thoracocentesis?

A

placement of needle/catheter into thoracic cavity to remove air or fluid from chest cavity

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2
Q

What are indications for performing a thoracocentesis?

A

Pleural effusion, pneumothorax, hemothorax, pyothorax, chylothorax

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3
Q

What is the perferred position for thoracocentesis?

A

lateral recumbancy or sternal recumbancy

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4
Q

T/F: With thoracocentesis, the site of the tap depends on the location of the air/fluid that is to be removed?

A

true

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5
Q

you will continue to aspirate with a thoracocentesis until what is achieved?

A

until all fluid is removed or negative pressure is restored

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6
Q

What are some complications of a thoracocentesis?

A

pneumothorax, lung laceration, laceration of the intercostal vessels

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7
Q

What is a thoracostomy tube?

A

chest tube

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8
Q

What are some indications to place a chest tube?

A

When the patient has a significant amount of pleural effusion or a pneumothorax

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9
Q

What position should a patient be in to place a chest tube?

A

lateral/sternal recumbancy

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10
Q

What type of suture pattern is used to anchor the chest tube?

A

chinese finger trap

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11
Q

What type of suture pattern is used to seal the skin around the chest tube?

A

purse string

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12
Q

What are the 2 types of aspiration with a chest tube?

A

continuous suction or manual aspiration

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13
Q

What is the purpose of a chest tube?

A

to re-establish negative pressure

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14
Q

What is pericardiocentesis?

A

placing a needle through the thoracic cavity into the pericardial sac around the heart to remove fluid

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15
Q

What are some indications for a pericardiocentesis?

A

pericardial effusion and cardiac tamponade

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16
Q

What are the two most common causes of pericardial effusion?

A

neoplasia and pericarditis

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17
Q

What is cardiac tamponade?

A

pressure of the heart that occurs when blood or fluid builds up between the myocardium (heart muscle) and the pericardium (outer sac that covers the heart)

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18
Q

What is the number 1 diagnostic tool for a pericardial effusion?

A

echocardiogram/ultrasound

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19
Q

what is the preferred position for a pericardiocentesis?

A

lateral or sternal recumbancy

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20
Q

What is the best monitoring tool to use during a pericardiocentesis?

A

continuous ECG

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21
Q

what is an abdominocentesis?

A

aspiration of fluid from the abdominal cavity

22
Q

what is an abdominocentesis used to diagnose?

A

hemoabdomen, uroabdomen, ascites

23
Q

an abdominocentesis is contraindicated in what types of situations?

A

pyometra, a penetrating abdominal wound

24
Q

T/F: you can redirect the needle as often as needed in a abdominocentesis?

A

false

25
Q

What is a tracheostomy?

A

A procedure for inserting a tube through the neck into the trachea to create an airway

26
Q

What are two types of tracheostomies?

A

controlled and slash

27
Q

what are some indications for a tracheostomy?

A

airway obstruction, swelling, neoplasia, oral surgery, long term mechanical ventilation

28
Q

T/F: in life-threatening situations, during a slash tracheostomy, attention to sterility may be abandoned in order to secure an airway

A

true

29
Q

with which type of tracheostomy would you give antibiotics and why?

A

Slash, because sterility has been abandoned

30
Q

at what location would you perform a tracheostomy?

A

between 3rd and 5th tracheal rings

31
Q

what position should a patient be in for a tracheostomy?

A

dorsal recumbancy

32
Q

how does a tracheostomy site heal after the tube has been removed?

A

via 2nd intention healing

33
Q

do you want to inflate the cuff on a trachostomy tube? if no, when is the only time this is acceptable?

A

NO!! the only time this is acceptable is during mechanical ventilation

34
Q

what are some complications of a tracheostomy?

A

obstruction from excessive secretions, nosocomial pneumonia, laryngeal stenosis, tube dislodgement, SQ emphysema

35
Q

transtracheal aspiration is AKA what?

A

transtracheal wash

36
Q

what are some indications for a transtracheal wash?

A

culture/cytology for acute bronchopneumonia, identify cells involved in inflammation, chronic cough, productive cough, identification of infectious agents

37
Q

what are some complications of a transtracheal wash?

A

tracheal laceration and hemorrhage, acute dyspnea, pneumomediastinum, iatrogenic infections

38
Q

What is an indication to perform a bone marrow aspiration?

A

to answer questions that a routine hematology examination of a blood sample does not answer, including: non-regenerative anemia, leukopenia, thrombocytopenia, pancytopenia, suspected hemapoietic tumors, hyperglobinemia

39
Q

What are accessible sites for a bone marrow aspiration in dogs?

A

proximal humerus, proximal femur, wing of ilium

40
Q

What are accessible sites for a bone marrow aspiration in cats?

A

proximal femur, proximal humerus

41
Q

what are the two most common needles used in a bone marrow aspiration?

A

Rosenthal needles and illinois sternal-iliac needles

42
Q

when obtaining marrow from the lateral aspect of the wing of the ilium, what positio is best for restraint?

A

lateral recumbancy

43
Q

why is it important to only aspirate small amounts of bone marrow?

A

because large amounts will result in dilution of peripheral blood

44
Q

does marrow clot slowly or rapidly?

A

rapidly

45
Q

which site of bone marrow aspiration is not recommended in cats or dogs that weigh less than 25 lbs?

A

wing of ilium

46
Q

what is the best position for a thoracocentesis if the patient has a pleural effusion?

A

sternal if possible

47
Q

what is the best position of a thoracocentesis if the patient has a pneumothorax? why?

A

lateral recumbancy, because the air will float to the top of the cavity and easily accessible where fluid will sit at the bottom of the cavity

48
Q

at what location would you place your needle/catheter for a thoracocentesis?

A

between the 6th to 8th rib

49
Q

what procedure is done during a pericardiocentesis to ensure placement of needle and that pericardial sac has been emptied?

A

echocardiogram/ultrasound

50
Q

What is the most important monitoring tool during a pericardiocentesis?

A

continuous ECG