ACLS Flashcards
Initial stabilizing/diagnostic measures for suspected MI?
VS, IV, O2, monitor
dose of nitroglycerin
400 mcg q3-5min
dose of morphine
2-4mg q5min
Four diagnostic categories for EKG interpretation in setting of suspected MI:
- normal
- STEMI
- ischemia
- non-specific T wave changes
EKG normal - next step?
trend trops
EKG = non-specific T wave changes - next step?
repeat EKG in 20 min
EKG = ischemia - next step?
O2, nitroglycerin
Unstable angina Dx made, what 2 meds do you give continuously?
heparin drip, nitroglycerin
Someone starts to code, what are initial steps?
- Call 911/Code Blue
- Start CPR
- Assign roles
- AED
- Bag Valve Mask
- monitor
When should the first drug in every pulse-less arrest be given? What’s the drug, dose and interval?
2nd round or ASAP
-epi 1mg q3min
Where do you place AED pads?
sternum and apex
How do you manage airway for first 2 min?
Bag valve mask
CPR - once pt has a pulse, what do you do?
3 steps:
- BP check
- 500cc NS bolus
- IV bicarb
* also do EKG/ABG/labs/CXR
Pt recovers, how do you prevent another run of vfib?
amio 150mg
Dose and drip rate for amio for pt with pulse:
150mg IV over 8-10 min loading dose
- 1mg/min x6 hrs
- 0.5mg/min x18hrs
- avoid decrease in BP
Refractory vfib: which drug do you give during 2nd cycle of CPR that will facilitate successful defib?
amio 300mg
lidocaine:
- bolus dose:
- drip dose:
- 100mg IV push
- 2-4mg IV drip
2nd round CPR
-which 2 additional airway management considered?
- ETT
- larygneal mask airway
First step after placing ETT or LMA?
listen to epigastrium for gurgles
Gold standard for documenting ETT placement?
End Tidal CO2
*ETCO2
ROSC
-why is pt tachy? 2 reasons:
- epi
- acidosis
ROSC
-why hypotension? 2 reasons:
- acidosis
- stunned mycocardio = CHF
ROSC
-Sinus w/occasional PVCs. What to do?
amio drip
ROSC
-What to do about hypotension? 2 things:
- 1-2L bolus
- dopamine drip: 10mcg/kg/min for hypotension SBP <90 but > 70.
dopamine drip dose:
10mcg/kg/min for hypotension SBP <90 but > 70.
ROSC
-2 ways to treat metabolic acidosis:
- bicarb IV
- increase vent rate
ROSC
-even if it doesn’t show STEMI - do you still take to cath lab?
yes
NRM - non rebreather
-how many L?
15L
In prep for ETT placement, what 3 things should you do?
- pre-oxygenate
- prepare suction
- BVM assist
Causes of ACS: mnemonic:
6Hs and 5Ts
Causes of ACS:
-What are 6 H’s?
- hypovolemia
- hypoxia
- hydrogen ion = acidosis
- hyper/hypokalemia
- hypothermia
- hypoglycemia
Causes of ACS:
-What are the 5T’s?
- tablets (drug OD)
- tamponade
- tension ptx
- thrombosis (coronary)
- thrombosis (PE)
- trauma
First pressor to start?
levophed
No pulse: whats rate have to be to cardiovert?
150+
BP: 80/50 not responsive to fluids
- which pressor do you start?
- dose?
between SBP 90 and 70 use dopamine drip
-10mcg/kg/min
*SBP < 70 then levophed
PEA due to tamponade:
-resuscitation measures?
- IV x2
- dobutamine
- pericardiocentesis
- ETT/BVM
- epi 1mg q3-5min
Pericardiocentesis
- how much fluid to remove?
- how should pt’s vitals respond?
- 30cc
- BP increase
What does POLST stand for?
Physician’s Orders for Life-Sustaining Treatment
aflutter
-3 characteristics:
- lack of normal P waves
- x:1 = abnormal P waves : QRS
- regular rhythym (vs afib which is irregular)
what limits aflutter and afib from transmitting every impulse to the ventricles?
refractory cells of the AV node
afib v aflutter
-which one is regular? which irregular?
afib = irregular
aflutter = regular
*regular means equal intervals btwn QRS complexes
AV nodal reentrant tachy
- is every impulse sent to ventricles?
- regular or irregular?
yes
-regular
Vtach
- wide or narrow?
- p waves present?
- wide
- no p waves
Vtach
-regular or irregular?
-regular
Vfib
-regular or irregular?
-irregular
Vtach vs Vfib
-which has varying amplitudes?
Vfib
1st deg AV block
-definition?
PR interval > 200ms
Symptomatic bradycardia
-atropine dose?
0.5 mg IV q3-5min
Diltiazem (AV nodal blocking drug)
- 1st dose:
- 2nd dose:
- 20mg IVP
- 30mg ivp
Adenosine (AV nodal blocking drug)
- 1st dose:
- 2nd dose:
- 6mg IVP
- 12mg IVP
AV nodal blocking drugs
-name 3
diltiazem, adenosine, metoprolol
Metoprolol (AV nodal blocking drug)
-doses:
5mg IVP
-up to 3 doses
O2
-how many liters NC for ACS?
4-6L
Morphine
- dose
- rate
2mg IVP q3-5min for chest pain unrelieved by NTGx3 and SBP > 100.
Following STEMI Dx:
-Clopidogrel dose:
600mg PO
Following STEMI Dx:
-Heparin dose:
1) 60 units/kg IV bolus for acute ischemia
- max 4000 units
2) then 12 units/kg/hr
- max 1000units/hr
Procainamide
- dose:
- drip:
- 17mg/kg IV load over 40 min
- drip: 1-4mg/min
Lidocaine
- dose:
- drip:
- 100mg IVP in cardiac arrest or symptomatic vtach
- drip: 2-4mg IV
Dopamine
-drip:
10mcg/kg/min for hypotension SBP btwn 70 and 90
Norepi
-drip:
2-20mcg/kg/min for hypotension SBP < 70
Epi
-drip:
2-10mcg/min
Sodium bicarb
- when to administer?
- dose?
-50 meq IVP after ROSC
IV Fluids in cardiac arrest
-how much?
1 liter wide open to start cardiac arrest resuscitation, 500cc IV bolus for hypotension.
Cardioversion
- when to use?
- sequence of voltages?
- when you have perfusing rhythm with a pulse
- 100J biphasic => 150J => 200J if no cardioversion.
Mnemonic for organs first damaged by hypotension:
SLK BH
- SLK in Beverly Hills
- Skin, Lungs, Kidneys, Brain, Heart.
Symptomatic bradycardia
- whats your goal HR when first treating?
- what device do you grab next?
60 bpm
-transcutaneous pacer
Transcutaneous pacer
-rate/energy/mode:
60-70
20-200J
demand mode
Which benzos to use before trans-cutaneous pacer (which hurts).
valium or versed
How to determine if transcutaneous pacer is successful?
mechanical capture
- pulse/BP
- vital organ perfusion
Electrical capture - look for what?
Mechanical capture - look for what?
- QRS
- pulse
contraindications to adenosine use:
- which 2 drugs?
- what could happen if you used?
tegretol (carbamazepine)
dipyramidole
-asystole
What do you expect to see on monitor after giving adenosine?
asystole
What is considered a “wide” QRS?
120ms
Narrow QRS complexes always have origin from where?
supraventricular
-you know bc you know its going through proper conduction pathway from atria down through AV node.
Before cardioversion, what drugs should you give pt?
-be cautious about what?
valium/versed, fentanyl
-watch for decreasing BP.
Two common causes of Vtach:
ischemia, electrolyte probs
Evaluation method for stroke:
Cincinnati stroke scale
3 components of Cincinnati stroke scale
face, arms, speech
Time frame for thrombolytic therapy?
4.5 hrs
Contraindications to tPa therapy?
- trauma
- hx of hemorrhagic stroke
- ischemic stroke last 3 mo.
- aneurysm
- avm
- INR >1.7
- active bleeding
- metastatic tumor
- melena
Acute stroke: if you decide not to give tPa, which med should you give?
ASA
Rate of symptomatic intracranial hemorrhage with tPA is used for stroke?
6.4% in literature
What % improvement in neuro outcomes if tPa given?
30%
BP necessary to give tPa?
-how to reach if over? which drugs?
< 185/110
-metop or nicardipine
Where is transvenous pacer placed?
apex of R ventricle
do “unstable” pts have a pulse?
yes but w/poor circulation.
Is there ever a pulse w/vfib?
no
is FB(+) contra to tPa?
no but melena is.
rhythm strips:
Inverted P wave w/rate of ~50
Normal QRS
junctional rhythm
If you see QRS w/o preceding P wave, what should you think?
ectopic rhythm
sinus brady w/unifocal pvc vs. ventricular bigeminy
Ventricular bigeminy there is a PVC following every sinus beat.
rhythm strips:
A sinus beat is shortly followed by a PVC, a pause, another normal beat, and then another PVC.
Ventricular bigeminy,
rhythm strips:
Rate of 30 - whats first thing to think of?
3rd degree block
-ventricular escape rhythm is 30 bpm.
valium dosage
5mg
versed dosage
2mg
Cardioversion
-sequence of doses:
100J biphasic => 150J => 200J