Specialities Flashcards

1
Q

Venous blood gas measures what? When should it be taken?

A

Lactate; consider with suspected sepsis

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2
Q

Below what saturations should oxygen be given?

A

94%

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3
Q

Systolic BP value of below what is an indication for fluid challenge with crystalloid?

A

90mmHg

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4
Q

How do general anaesthetics work at neuron level?

A

Suppressing, via opening chloride channels leading to hyperpolarisation

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5
Q

What effect do general anaesthetic agents have on sympathetic nerve activity?

A

Decreases

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6
Q

General anaesthetic agents have what effect on tidal volume?

A

Decrease

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7
Q

Propofol and thiopentone are administered via what method?

A

IV

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8
Q

Halothane and desflurane are administered via what method?

A

Inhaled

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9
Q

Low MAC of an inhaled general anaesthetic agent indicates what level of potency?

A

High

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10
Q

Is fentanyl long or short acting?

A

Short

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11
Q

Morphine and oxycodone are long or short acting?

A

Long

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12
Q

Lidocaine is used as what type of anaesthetic agent?

A

Local

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13
Q

How do local anaesthetic agents work at neuronal level?

A

Block sodium channels, hence preventing action potentials from propagating

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14
Q

Oral numbness and tingling, visual disturbance and drowsiness are signs of what toxicity?

A

Local anaesthetic toxicity

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15
Q

Chronic pain is described as pain lasting longer than?

A

3 months

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16
Q

The gate theory of pain utilises what type of neurones as inhibition of the nociceptive signal?

A

A alpha and A beta fibres

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17
Q

Amitriptyline is good for what type of pain?

A

Neuropathic

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18
Q

Amitriptyline can have what kind of side effects?

A

Anti-cholinergic
- glaucoma, urinary retention

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19
Q

Urinary retention is a side effect of what neuropathic pain medication?

A

Amitriptyline (TCA)

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20
Q

Hypoxaemia + normocapnia signify what type of respiratory failure?

21
Q

Hypercapnia indicates what type of respiratory failure?

22
Q

Muscular disorders typically cause what type of respiratory failure?

23
Q

Capillary refill time of over how many seconds is indicative for fluid therapy?

24
Q

Fluid resuscitation is achieved by how many mls of what kind of solution?

A

500ml of crystalloid
- over 20 minutes via 18G antecubital fossa cannula

25
How many mls of fluid per day is required for maintenance fluid therapy?
25-30mls/kg/day
26
How many mmol of sodium, potassium and chloride are required per day in fluid maintenance?
1mmol/kg/day
27
How many grams of glucose are required per day to limit ketosis?
50-100g
28
What is the recommended therapy for type 2 respiratory failure?
BiPAP
29
Which fluid should be used for resuscitation complicated by hyperkalaemia?
0.9% sodium chloride
30
Severe dehydration should be treated with what fluid regime?
0.9% sodium chloride
31
What does it mean if INR is too high?
Blood is clotting slowly and there is a risk of bleeding
32
What is a normal INR level?
1.1 or below
33
What reversal therapy should be given to patients on warfarin with a high INR?
IV vitamin K
34
What assessment tool is used to assess and manage disruption to health in older people with frailty?
CGA
35
Incontinence in a women with children is most likely what type?
Stress
36
What is the first line management in stress incontinence?
Physiotherapy
37
What medication can be used in stress incontinence?
Duloxetine
38
Men with BPH most likely have what type of incontinence?
Overflow
39
Tamsulosin and finasteride can be utilised in what type of incontinence?
Overflow
40
Bladder stones can lead to what type of incontinence?
Urge
41
What class of drugs is used in urge incontinence?
Anti-muscarinics - relax detrusor muscle
42
Neuropathic bladder can be secondary to neurological disease or what?
Long term catheterisation
43
Which scoring too can be used for delirium?
4AT
44
Dry mouth, constipation, blurred vision and urinary retention are side effects of what class of drugs?
Anticholinergics
45
Which cardiac medication is dangerous for use in the elderly?
Digoxin
46
Epidural anaesthesia can have what effect on the patients blood pressure?
Hypotension
47
Sepsis is characterised as SIRS + what?
Infection
48
Visual hallucinations indicate which type of dementia?
Lewy body dementia