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41 Cards in this Set

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What are the shockable rhythms?

Vientricular fibrilation and puseless ventricular tachycardia

What are the 4 Hs and Ts of reversible causes of cardiac arrest?

Hypoxia


Hypovolaemia


Hypo/hyperkalaemia or other metabolic


Hypothermia



Tamponade


Toxins


Thombus


Tension pneumothorax

During shockable rhythms, what drugs should be given and when?

1mg adrenaline after 3rd shock


300mg amiodarone after 3rd shock


150mg amiodarone after 5th shock


1mg adrenaline every 3-5 minutes



What drug should be given in non-shockable rhythms? How often should it bbe gven?

1mg Adrenaline ASAP then every 3-5 minutes (alternating rhythm checks)

What positional change in obstetric cardiac arrest?

Left lateral tilt

What are the 4 life-threatening signs in arrhythmias?

Shock


Syncope


Heart failure


MI

What are the 4 risks of asystole in bradycardia?

Recent asystole


Mobitz Type II


Complete heart block with broad QRS


Ventricular pause >3s

What drugs should be given in life threatening bradycardia?

Atropine 500mg repeated up to 6 times (3g)



Bonus; if pacing unavailable, adrenaline, isoprenaline or dopamine

When should atropine not be given to bradycardic patients?

When they have had a heart transplant

What drug should be given for bradycardia 2ndry to beta blockers or CCBs?

Glucagon


2-10mg IV in glucose 5%, then 50mcg per kg per hour IV infusion

When should drug tratment be used in compromised tachycardia?And what drug should be used?

After 3 unsucessful synchronised shocks


300mg Amiodarone IV over 10-20 mins



Then 4th shock


Then amiodarone infusion 900mg IV over 24h

What shock strength should be given in broad complex tachycardia?

120-150J then increased incrementally

What shock strength should be given for narrow complex tachycardia or atrial flutter?

70-120 J then increasing incrementally

What shock strength should be given for AF?

Maximum strength

When should naloxone be used and how much?

Opoid overdose +/- reduced consiousness


400mcg IV naloxone


OR 800mcg IM/scut naloxone


OR 2mg naloxone intranasal

What is flumezanil used for and how should it be given?

For benzo overdose


200mcg IV then 100mcg every minute until patient is conscious

What are the 3 main features of anaphylaxis?

Hypotension and tachycardia


Airway obstruction


Skin changes

Which drugs, how much and when should be given in refractory anaphylaxis?

0.5mg IM immediately and every 5 minutes


Rapid bolus of IV crystalloid (eg NaCl)

When should refractory anaphylaxis pathway be followed?

If no improvement after 2 doses of adrenaline

What are the drugs and dosages for an asthma attack?

O SH I T MI


Oxygen - 15L via resevoir mask



Salbutamol - 5mg nebulised, 250mcg IV


Hydrocortisone - 100mg IV (or 40mg prednisolone PO)


Ipratropium bromide - 500mcg neb


(Theophylline/)Aminophylline - 5mg per kg



Magnesium sulphate - 2g IV


(Intubation)

O SHI*T ME

What are the features of severe asthma?

PEF 33-50% predicted


RR 25


BPM >110


Cannot complete sentences

What are features of life-threatening asthma?

PEF <33%


Sats <92% or PaO2 <8Pa


CO2 >4.6 (can be "normal")


Silent chest, cyanosis or poor resp effort


Arrhythmia


Hypotension


Altered concious level

What drugs should be given in severe hyperkalaemia?

Calcium - 10mmL chloride or 30mL gluconate



Insulin/dextrose - 10U insulin in 50mL 50% dextrose



Salbutamol - 10-20mg nebulised



(Sodium bicarbonate 50mmol IV in cardiac arrest)

What drug should be given in arrest with severe hyperkalaemia?

Sodium bicarbonate 50mmol IV

What level of potassium is considered severe hyperkalaemia?

>6.5mmol per L

How should tranexamic acid be given?

1g IV over 10 minutes


then


1g IV over 8h

What electrolyte imbalance can occur in major heamorrhage? And how would you treat it?

Hypocalcaeima



10% Clacium chloride 10ml IV


10% calcium gluconate 30ml IV

What blood products should be used in major haemorrhage?

1:1 ratio red cells and FFP



Cryoprecipitate if fibronigen low

What treatment should be used for PE with an eGFR of <30?

Unfractionated heparin - 5000 - 10 000 U bolus, then 18U per kg IV infusion

What treatment should be used in massive PE with haemodynamic instability?

Unfractionated heparin (5000 U - 10 000 U then 18U per kg infusion)



Fibrinolysis


- tenecteplase 500-600mg per kg IV


- Alteplase 50mg IV bolus then again after 30 mins if still arresting

What PE treatment should be given if haemondynamically stable AND eGFR >30?

Fondaparinux


- <50kg: 5mg SC


- 50-100 kg: 7.5mg SC


- >100kg: 10mg SC



or


LMW Heparin


- Dalteparin 200U per kg SC


- Enoxaparin 1.5 mg per kg SC if uncomplicated (else 1mg per kg)

What is the mainstay treatment of tachy arrhythmias?

Syncornised DC shock (up to 3 times, then give meds)

What drug should be given if 3 synchronised shocks in tachy arrhythmias has not worked?

Amiodarone 300mg IV



Then repeat shock



Than amiodarone infusion 900mg over 24h

What are the likely rhythms in an irregular broad complex QRS tachyarrhythmia? How should they be treated?

AF with bundle branch block - treat as narrow complex



Polymorphic VT (e.g. torsades) - magnesium 2g IV

What are the likely rhythms in an regular broad complex QRS tachyarrhythmia? How should they be treated?

VT - amiodarone 300mg IV



SVT with bundle branch block - treat at narrow

What are the likely rhythms in a regular narrow complex QRS tachyarrhythmia? How should they be treated?

SVT



Vagal manoeuvres



Adenosine - 6mg, then 12mg, then 18mg


if ineffective


Verapamil or beta-blocker

What are the likely rhythms in an irregular narrow complex QRS tachyarrhythmia? How should they be treated?

AF



beta-blocker


Digoxin or amiodarone if heart failure


Anticoagulate if >48h

Venturi mask - what flow does each colour represent?

BLUE = 2-4L/min = 24% O2WHITE = 4-6L/min = 28% O2YELLOW = 8-10L/min = 35% O2RED = 10-12L/min = 40% O2GREEN = 12-15L/min = 60% O2

By the Way You R Great

What is a normal PR interval

0.12-2s (3-5 small squares)

What shock strength should be given in VF?

At least 120J

How should defib pads be placeD in those with an ICD?

At least 10-15cm from the ICD