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Anaesthesia > Dvt > Flashcards

Dvt Flashcards

1
Q

Range of motion or ideal position for intubation

A

Sniffingor barking dog

Extension at atlantooccipital joint flexion at lower cervical joint

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2
Q

Modified position

A

Help head elevated laryngoscopy poition
Ramp-for obese and with large breast
Ear in line with suprasternal notch

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3
Q

BMV Disadvantage

A

Increase risk of aspiration

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4
Q

Contast flow device

A

Air entrainment mask/venturi mask

Oxygen flow > 60 L/min

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5
Q

Non breather mask used in

A

Covid care

Theoritically 100%fio2 delivered

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6
Q

Fixed o2 delivery device

A

Venturi mask
Having different colored valves
Copd

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7
Q

High flow nasal cannula

A

Machine
We can chooose the rate of flow of o2
Range 21%_100%
Gives heated and humidified oxygen

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8
Q

Oro pharyngeal airway a/k/a

A

Guedals hard plastic

Prevent tongue fall

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9
Q

Ideal position for laryngeal mask airway(fits outside pharynx but in oropharynx)

A

Tip of the lma is in front of oesophagus

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10
Q

Lma classic

A 
1 generation
Size
1 1.5 w 1.5 3,4,5,6
Most c  adult male-5
Female 4
Child of 30-50 kg 3
Maximjm cuff pressure 60 cm h2o
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11
Q

2 gen lma

A 
2 lumen 
Ventillating  tube gastric drain tube
Lma pro-seal-nobshape
Lma i gel-cuff less
Lma supreme-anatomical shape with two tube
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12
Q

Depth of insertion of et tube

A

21-23cms

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13
Q

Pediatric et

A

Uncuffed tube upto 8 yrs of age

Formula age/4+4

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14
Q

Capnography

A

Intraoperative monitoring

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15
Q

Depth of anaesthesia

A

Bispectral indefrontal processed eeg
100-0
Ga bis-40-60
100-awake

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16
Q

Pulse oxymeter pronciple

A

Beer lambert law
Normal so2 97-100%
False high reading-carboxy hb

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17
Q

No change in oxymeter reading

A

Dark skin
Bilirubin
Henna

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18
Q

Notmal etco2

A

35-45 mmhg
<35=hypocapnea
>45=hypercapnea

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19
Q

Shark fin appearnece kn capnography

A

Partially obstructed ett or obstructive lung disease (copd/bronchospasm)

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20
Q

Peripheral nerve stimulator

A

Neuromuscular monitoring
Mc nerev ulnar>facial nerve
Muscle-adductor pollicis>orbicularis oculi muscle

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21
Q

Mc used pnm

A

Accelero myogrphy

Patterns of stimulation-TOF,frequecy of stimulation 2 hz duration bw 2 TOF 10s

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22
Q

Criteria for extubation

A

TOF ratio reaches 0.9

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23
Q

Oxygen cylinder

A

Black body with white shoulder

Pin index 2,5

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24
Q

Entonox

A

Blue body w

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25
Prevents wrong attachemnt of cylinder to machine
Pin index system
26
Wrong attachment of pipeline to machine
Diameter index safety system (DISS)
27
O2 flush
Part of intermediate presuure system Disavnatage Barotrauma
28
Flow meter
Measure sflow of gases Thorpes tube Conical pyrex glass Bobbin float aluminium
29
Principle of working of flow meter
Variable orifice constant pressure
30
Vapoiriser
``` Cloure coded Purple isoflurane Blue desflirane Yellow sevoflura Red halothane ```
31
Specifal vapouriser for desflurane
Tec 6
32
Mapleson circuits
Semi closed partial rebreathing
33
Covaxial varialmt of mapleson circuits
Lacks modification
34
Paediatric circuit
``` Ayers piece E type Jackson and reese modifucation F type Both controlled and spontaneous respiration Wt <20 kgs F better than E ```
35
Mc route of loas of heat
Radiation convection conductoon evaporation
36
Gold standard for temp monitoring
Pulmonary artey catheter
37
Malignant hyperthermia
``` Genetic defect chromosome 19 Trigger__scoline,volatile agents Abnormal rynodine receptors Earliest and most sensitive _SUDDEN AND AVRUPT RISE OF ETCO2 late sign hyperthermia Doc dantrolene(diluted in sterile watet) 2.5MG/KG*5 m8ns(max10mg/kg) Infusion--1 mg/kg over 6 hours (24_48 hrs) ```
38
Most common nerve injured
Ulnar | Lower limb common peronela
39
Opthalmic complication
Corneal abrasion
40
Post operational vision loss
Ishemic optic neuropathy | Optic nerve compression in prone surgeries
41
Air embolism
Most sensitive invasive modality TEE trans esophageal echocardiography Most sensitive non invasive precordial doppler
42
Most common etiology for intarop anaphylaxis
Antibiotic> muscle relaxant> chorhexidine | Muscle relaxantRoc>scoline> atra
43
Sellicks maneovour
Cricoid pressure prevent risk of aspirations
44
Mechanism of action of local anesthetic
``` Sodium channel blockers SITE__intracellular surface of sodium channel Form for onset of action unionized Active form cationic form Use doesnt affect the rmp of nerve ```
45
Drug of choice for cvs toxicity of la
20% intralipid solution 1.5 ml/kg f/b 0.25 ml/kg/min Mechanism increases rate of recovery of blocked sodium channels Others Adrenaline and amiodarone mix of cardiac arrest In severe cases extracirporeal membrane oxygenation used
46
Dura cutting needle
Quinckes | Increased risk pf post dural pincture headaches
47
Dura splitting needle
Whitacare | Decrease risk of pdph
48
Pdph mx
Frst line conservative | Definitive epidural blood patch
49
Caudal anesthesia entry point
Sacral hiatus | Not used <6 years becoz of ossification of sacrocoxygeal ligament
50
Interscalene approach
Between scalene muscles Shoulder and upper arm surgery Ulnar nerve spared Mc complications phrenic nerve palsy
51
Axillary approach
``` Around axillary artery Radial median and ulnar nerve blocked Below elbow procedures Musculocutqneous nerve spared Complio-arterial puncture ```
52
Supraclavicular approach
``` Lateral to subclavian artey Division or cords blocked Below elbow procedures Nothing spared Complications:phrenic nerve palsy,most specefic:pneumothorax ```
53
Compresiion vemtillation ratiom in child
15:2
54
Triple maneovour
Head tilt,chin lift,moth open,jaw thrust
55
Choking or fb obstruction
More than 1 year old-comple airway obstruction-no sound-heimlich maneuver sub diaphragmatic thrust Less than 1 5 back thrust and chest compressions
56
Laryngoscope
Macintosh curved mc used in adults | Miller blade staright paediatric
57
Air cylinder
Black body with black and white shoulder | Pi index 1,5
58
Nitrous oxide cylinder
Blue color | Pin index 3,5
59
Co2 cylinder
Grey color Pin index >7.5%(1,6) <7.5%(2,6)
60
Entonox cylinder
Blue body with blue and white shoulder | Pun index 7
61
Most commonly used circuit
Mepleson d bains modification
62
Mc complications in anaesthesia
Post up nausea and vomiting | Agent of choice ondansetron
63
Shockabke rhythm in cardiac arrest
VF VT need to defibrillate
64
Non ahockable rhythm
Pulselesa electrical activity Asystole Do not defibrilate

Anaesthesia (1 decks)

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