CV emergencies Flashcards
What is included in Acute Coronary Syndrome ACS?
Unstable angina
STEMI
NSTEMI
How do you differentiate unstable angina from STEMI/NSTEMI
ECG:
- changes: STEMI
- no changes: NSTEMI/Unstable angina
Trop:
- elevated: STEMI/NSTEMI
- not elevated: unstable angina
STEMI/NSTEMI: high trop
When would you do PCI vs CABG
PCI: 1 or 2 vessel disease, not including LAD
CABG: 2 or 3 vessel disease, including LAD
What are the reversible causes of cardiac arrest?
4Hs and 4Ts
Hypoxia
Hypovolaemia
Hypothermia
Hypokalaemia, hyperkalaemia, hypoglycaemia
Toxins
Tamponade
Tension pneumothorax
Thrombosis
What are MI complications
DARTH VADER
Death Arrythmia Rupture Thrombus Haemorrhage
Valvular heart disease Aneurysm Dressler / pericarditis Embolism Re-infarct
What is the Killip classification used for?
predicts risk of 30 day mortality following MI
What is the difference between Dressler and pericarditis
Dressler syndrome: 2-6 weeks after
Pericarditis: >48 hours
What investigation should you do if suspecting re-infarct 4-10 days after initial MI?
CK-MB rather than troponin
This is because troponin remains raised for up to 10 days
while CK-MB is only raised for 3-4 days
What ECG changes do you see in STEMI
ST elevation
Hyperacute T wave
LBBB
What ECG changes may occur in NSTEMI/unstable MI
ST depression
T wave inversion
What are sx of ACS
central retrosternal chest pain
heavy, crushing, tight
radiates to arms, neck, jaw, epigastrium
onset at rest
Assoc sx: SOB, sweating, nausea, vomiting
Who can a silent infarct occur in
Elderly or diabetic
What Ix should you get in suspected ACS
Full bloods - FBC, UE, CRP, Gluc, Lipid, Troponin, CK-MB, amylase (exclude pancreatitis), AST (elevated 24h post), LDH (elevated 48h post)
ECG
CXR (exclude heart failure)
Echo (LV EF)
What do you give for management of STEMI
ROMANCE
Reassure Oxygen if SpO2 <94 Morphine + metoclopramide Aspirin + ticagrelor 300mg Nitrite SL Coag resolution - PCI / thrombolysis + heparin/fondaparinux as appropriate
What are contraindications for beta blockers
Low BP/HR HF COPD/asthma cardiogenic shock heart block
How do you decide what type of reperfusion you should do in STEMI?
If pt presenting <12 hours from sx onset:
- PCI available within 120 mins: ANGIOGRAPAHY + PCI + enoxaparin
- PCI not available in 120 mins: THROMBOLYSIS
If pt presenting >12 hours from sx onset / low GRACE score / NSTEMI:
- FONNDAPARINUX
What is long term management of STEMI
ABCDS
ACEi Beta blocker Cardiac rehab (med diet + exercise DAPT Statin
What is pulmonary oedema
Fluid in alveolar spaces (in lung)
What are causes of severe pulmonary oedema
- Cardiac: LVF e.g. post MI, Valvular heart disease
- ARDS
- Fluid overload
- Neurogenic e.g. head injury
How do you manage acute pulmonary oedema
- Sit patient up
- High flow O2
- IV Morphine (reduce dyspnoea) 10mg+ IV metoclopramide 10mg
- IV furosemide 40-80mg
- GL GTN spray (or IV GTN if SBP >100)
- CPAP
How do you manage pulm oedema once stable?
- daily weights
- repeat CXR
- manage meds (change to oral furosemide, consider thiazide, ACEi, beta blocker, spironolactone)