Cardiology Flashcards
What is digoxin used for?
What are the side effects?
What ECG changes signigty this?
Use - Fast AF
Side effects - Digoxin toxicity - Nausea, vomiitng, headache, dizzness and confusion, blurred/yellow vision
ECG changes - Scoop ST
Sinus brady
Premature ventricular beats
Bumetenide:
What is it?
When is it used?
How is it given?
Side effects?
A loop diuretic
Alternative to ferusomide for HF
IV or oral
Hyponaetremia/Hypokalaemia
Amioderone:
What is it and when is it used?
Side effects
For difficult to control atrial and ventricular arrythmias. It slows phase 3 of the cardiac cycle
Thyroid dysfunction (hyper and hypo) as it has iodine in, pneumonitis and deranged LFTS
Dont use with slow HR or hypotension
What is the normal ejection fraction?
55-70%
Less than 40% is HF
What are the main causes of AF?
Hyperthyroid
CAD
Hypertension
Heart valve disease
What are the main causes of heart failure?
LHF -
IHD
Valvular disease
HTN
RHF -
LHF
Lung disease
What are the symptoms of HF?
Breathlessness
Fatigue
Oedema
Cough
What is the acute management of HF?
Sit up
Morphine and anti emetic
High flow oxygen
Diuretic
What is the chronic management of HF?
An arrange of drugs:
Diuretic
ACEI
B blocker
Spiranolactone
Digoxin
Vasodilators
How do you treat fast AF?
Rate limiter - B blocker
Rhythm control - Digoxin