Cardio Flashcards
When would adenosine be contraindicated for treatment of SVT?
In asthmatic patients: first line then would be verapamil
What drug should be given prior to fibrinolysis for a STEMI?
Fondaparinoux (anti thrombin drug to prevent the clot getting better)
Fibrinolysis used when PCI cannot be done within 2hrs
Give in addition to MONA tx for all ACS
What is the management of supraventricular tachycardia?
Narrow complete tachycardia (QRS<120ms)
If unstable: up to 3 shocks
If stable:
1st: Carotid sinus massage/ vagal manoeuvre
2nd: Adenosine IV (6->12->18mg)
How can atrial fibrillation be managed?
<48hrs of onset: cardioversion
>48hrs: DOAC (to avoid atrial thrombus formation), and in 3 weeks cardiovert
Rate control with beta blockers
Digoxin or amiodarone if evidence of heart failure
How can a broad complex tachycardia be managed?
If unstable: up to 3 shocks
If stable: Loading dose of amiodarone followed by 24hr infusion
What is the management of torsades de pointes?
IV Mg
What ECG changes can be seen in hyperkalaemia?
Tented T waves
Loss of P waves
Widened QRS
Which heart valve is most commonly affected in infective endocarditis of an IVDU?
Tricuspid valve
U waves on ECG indicate what?
HypoK
HypoCa
Hypothermia
What ECG changes are seen in hypokalaemia?
U waves
Flattened T waves
Long PR & QT
“U have not Pot and no Tea with a long QR and QT”
What is the immediate treatment of bradycardia with signs of shock?
500microgram atropine IV (up to maximum 3mg)
What secondary prevention medication should be started following acute coronary syndrome?
DAPT (aspirin lifelong + another anti platelet 1yr)
Statin
ACEi
Beta blocker
J waves on an ECG are pathognomic for what?
Hypothermia
ST elevation in leads II, III & aVF indicates MI in which territory?
Inferior (right coronary artery)
Delta wave on ECG is associated with which condition?
Wolff Parkinson White syndrome
(Pre-excitation of the ventricles due to an accessory pathway which bypassses the AV node)
Delta stroke is slurred upstroke of the QRS