GP teaching Flashcards
Heart flutter differentials
Cardiac - HTN, IHD, CCF, AF, Valve pathologies
Systemic - endocrine hyperthyroidism, metabolic, infective, haematological (anaemia)
Psych - anxiety/stress
Iatrogenic - caffeine, drugs, alcohol
Investigations
Urgent ECG
24 hour ECG if intermittenet
Bloods
Echo
CXR in case cancer
MSU
AF management
Rate control
Rhythm control
Q risk score
Risk of someone getting a heart attack or stroke
What is the CHADVASC score
AF -
Rate control
Less than 48 hours ago - start with rhythm control, cardioversion in hospital
What if someone has had AF for more than 48 hours
Anti coag for 3 weeks so that you
if worsening HF from AF - mx
Rhythm control
When do you do rhythm control
new onset AF within 48 hours
Reversible cause
has it precipated HF and their HF is worsening/getting really bad
Drugs for rate control
Beta blockers - bisoprolol
Diltiazem - ccb which are rate limiting
Which ccb is non rate limiting which we do not use here
amlodipine - non rate limiting
rhythm control
cardioversion
How do you assess stroke risk
CHADVACS - risk of stroke
ORBIT - risk of bleed
You have to compare
Valvular/non-valvular
DOAC vs warfarin
Valvular heart disease - what medication
warfarin
AF MANAGEMENT - FINAL
AF management requires both rate/rhythm control AND anticoagulation
Determining whether someone needs rate control or rhythm control
Ask:
Do they meet the criteria for rhythm control?
Was it in last 48 hours? - Rhythm control
Does this pt have a reversible cause of AF? e.g. sepsis - if so, rhtyhm control
Have they suddenly got into HF or worsened HF, then go for rhythm control
Electrical and pharmacological cardioversion
If structural heart disease, you can’t give sotolol or flecanide
If not, go for rate control - beta blockers and rate limiting CCB
Anticoagulation
CHADSVASC vs ORBIT score comparison
Use DOAC on everyone unless they hvae severe renal failure, valvular heart problems or antiphospholipid sydnrome - use warfarin
When would you give warfarin over DOACs
Valvular heart disease
Severe renal failure
Antiphospholipid syndrome
ORBIT replaced which scoring system
HASBLED