More ACLS Flashcards

1
Q

What is the flow rate for a NC?

A

1-6 L/min

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2
Q

What is the minimum flow rate for the simple face mask? What will happen if this is too low?

A

6 L/min

Re-breathe CO2

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3
Q

What type of mask can deliver up to 100% oxygen?

A

Face mask with reservoir

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4
Q

What type of patients need a face mask with a reservoir?

A

Those who need an ET tube, but still maintain their airway reflexes, or will need one soon

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5
Q

True or false: you should use cricoid pressure when inserting an LMA

A

False–increase incidence of misplacement

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6
Q

What should always be inserted into the mouth with an LMA?

A

Bite block or OPA

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7
Q

What sizes of LMA fit most men and women respectively?

A

5 for men

4 for women

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8
Q

What is a laryngeal tube?

A

tube with a cuff that is inserted into the esophagus. The cuff inflates to seal off esophagus, leaving only the larynx open for air

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9
Q

Who should not receive a laryngeal tube? (4)

A
  • Under 16 year or under 4 feet tall.
  • Absent gag reflex
  • Suspected esophageal injury
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10
Q

How does the dose of medications change when going from the standard IV route to the ET tube?

A

2x higher

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11
Q

How are drugs prepared to be placed in the ET tube?

A

Mix the dose in 5-10 mL of sterile water (preferable) or saline. Ventilate and hold compressions briefly to allow for uptake

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12
Q

What size ET tube is used for adult males and females respectively?

A
Males = 8
Females = 7
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13
Q

What are drugs that can cause 1st degree AV blocks?

A

beta blockers, CCBs, and digoxin

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14
Q

What type of MI can present with AV block (anterior, lateral, posterior etc).

A

Inferior AMI

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15
Q

What is the site of pathology for a second degree AV block type I and II respectively?

A

Type I = AV node

Type II = infrahisian

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16
Q

What is the etiologies for second degree AV blocks type I? (3)

A
  • RCA infarct
  • Drugs
  • Parasympathetic
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17
Q

What is the etiology of type II second degree AV block?

A

left coronary infarct

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18
Q

What is the etiology of third degree AV blocks?

A

Ischemia of the left coronary, (LAD)

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19
Q

What is the amount of joules needed for a-fib? Stable VT? SVT?

A

a-fib = 120-200 J
Stable VT = 100J
SVT = 50-100 J

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20
Q

True or false: you can use the AED safely and effectively if the patient is covered in water

A

False-need dry chest

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21
Q

True or false: you can use the AED safely and effectively if the patient is in the snow or laying in a puddle of water, so long as the pads and chest are not wet

A

True

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22
Q

What is the defibrillation dose of monophasic electrodes?

A

360 J

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23
Q

Where should the arm with an IV be relative to the patient if giving fluids or drugs?

A

At level of the heart

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24
Q

Where is the IO insertion site for the tibial plateau?

A

two finger breadths inferior, then medial of the tibial tuberosity

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25
What should be done immediately after inserting an IO to ensure that it did not go through the bone?
Infuse with IVFs and ensure that no swelling occurs posteriorly
26
What should be done to IV tubing with an IO needle to ensure that it does not tear out the needle?
tape tube to skin
27
What is the cause of a slow heart rate with low BP?
RV infarct
28
What are the two components of the breathing part of the ABCs?
Ventilation and oxygenation
29
What is the dose of Naloxone IM and intranasally? How often can this be repeated?
IM = 0.4 mg IN = 2 mg q4 minutes
30
True or false: you should perform CPR on an opioid overdose patient if they're not breathing (regardless of pulse)
True
31
What is the goal oxygen saturation for cardiac arrest patients?
94%--only give enough oxygen to get to here.
32
How long after induced hypothermia should you wait to assess for returned neurologic function?
72 hours
33
What are the 6 roles for cardiac arrest?
- Leader - Compressor - AED - Airway - IV/IO meds - Timer
34
What qualifies for low blood pressure in the normotensive and hypertensive individual?
``` Normal = less than 90 mmHg Hyper = more than 30 mmHg drop ```
35
How long must you wait to give nitrates in a patient who has taken nitrates?
- 24 hours for sildenafil or vardenafil | - 48 hours for tadalafil
36
Why is morphine in particular good for MIs?
Venodilator and CNS depressant
37
Are other NSAIDs besides ASA safe for use in MIs?
No
38
What are the goals for PCI in hospital and transfers?
90 minutes door to balloon in hospital, 120 minutes if transfer
39
What is the goal for door to fibrinolytics?
30 minutes
40
What is the goal for door to transfer?
30 minutes
41
What is the timeframe to ship and drip patients?
12 hours from symptom onset, and 6 hours from start of fibrinolysis
42
Within how many hours of symptom onset can fibrinolytic be given?
12 hours of symptom onset
43
What are the three indications for IV nitro in STEMI patients?
- Recurrent chest pain unresponsive to oral - pulmonary edema - HTN
44
True or false: if a stroke patient presents with an arrhythmia and are stable, is it appropriate to watch it
True
45
What are the goals for the following with a stroke: - See a physician - CT scan/neuro assessment - interpret CT - Initiate fibrinolytics
- 10 minutes to see physician - 25 minutes to CT/neruo - Interpret CT in 45 mins - Fibrinolytics within 3 hours of symptoms onset
46
How long after tPA should anticoagulants be avoided?
24 hours
47
what are the three components of the Cincinnati stroke scale?
Facial droop Arm drift Abnormal speech
48
What is the BP cutoff for tPA?
185/110
49
An arterial puncture within what timeframe is a contraindication to tPA?
7 days
50
True or false: a h/o intracranial hemorrhage is a contraindication to tPA
True
51
platelet count less than how many is a contraindication to tPA?
100000
52
Heparin received within what timeframe is a contraindication to tPA?
48 hours
53
What is the INR and PT cutoff for tPA?
INR = 1.7 | PT over 15 seconds
54
BG less than what is a contraindication to tPA?
50 mg/dL
55
What are the four exclusion criteria for extended time for tPA (4.5 hour mark)?
- Age over 80 - Severe Stroke - Anticoagulant use - h/o both DM and prior ischemic stroke
56
Below what rate is tachycardia usually not the cause of s/sx?
150
57
What is the dose and rate for dopamine infusion for bradycardia?
2-20 mcg/kg/min
58
What is the dose and rate for epi infusion for bradycardia?
2-10 mcg/min
59
What is the treatment for narrow complex tachycardia in the stable patient?
Vagal maneuvers Adenosine Beta blockers or CCBs
60
What is the treatment for unstable tachycardias? (wide or narrow)
Synchronized cardioversion
61
What is the treatment for wide complex tachycardias in the stable patient?
Consider adenosine or anti-arrhythmic
62
When is adenosine indicated for the treatment of wide complex tachycardias?
only if regular and monomorphic
63
What is the dose and rate of infusion of sotalol?
100 mg (1.5 mg/kg over 5 mins)
64
What is the IV rate of procainamide infusion? What is the max dose?
20-50 mg/min | 17 mg/kg
65
What are the side effects of procainamide (2)
- Hypotension | - QRS duration increases over 50%
66
What are the four major indications for synchronized cardioversion? (4)
Unstable: - A-fib - A-flutter - SVT - Regular monomorphic tach with pulses
67
If you are unsure if an unstable patient has monomorphic or polymorphic VT, what should you do?
Unsynchronized cardioversion
68
What is the correct dose of monophasic and biphasic electricity for unstable a-fib?
``` Mono = 200 J Bi = 120-200 J ```
69
What is the dose of monophasic electricity for unstable VT with a pulse?
100 J
70
What happens if you shock sinus tachycardia?
Increases the rate
71
What are the two main pathophysiologic mechanisms of unstable tachycardia?
- Decreased CO d/t fast | - Beating is ineffective
72
When you are pacing a patient transcutaneously, where should you never assess for a pulse, and why?
Carotids, due to muscle contraction in that area
73
True or false: Transcutaneous pacing is indicated even if the patient is hypothermic
False
74
What is the effect of atropine doses of less than 0.5 mg?
Paradoxical decrease in HR
75
Why must you be careful in using atropine in cases of an MI?
Increases myocardial oxygen demand
76
What rhythms should atropine be avoided in, and skipped directly for pacing?
Mobitz type II or 3rd degree heart block
77
How are bradycardias caused by mobitz type II and 3rd degree heart block treated?
TCP or beta adrenergic support
78
What is the dose of monophasic electricity for unstable: - A-fib? - Monomorphic VT - SVT/atrial flutter
-a-fib = 200 J -Mono VT = 100 J SVT/a-flutter = 50-100 J