Cardiovascular Flashcards
Which valve is affected by rheumatic fever?
Mitral causing mitral stenosis
Management of orthostatic hypotension?
Fludrocortisone
Midodrine
ECG changes in aortic dissection?
Inferior lead ST elevation
Aortic dissection investigation?
CT aortic angiogram
Transfusion threshold in ACS?
Hb < 80
Reversible causes of PEA?
Tension pneumothroax
Management of acute limb ischaemia?
IV heparin and vascular review
Management if GRACE score > 3%?
Coronary angiography within 72 hours of admission
ECG changes in posterior MI?
Tall R waves in V1 and 2
Management of MI secondary to cocaine use?
Benzos
What valve is most commonly affected in IE in IVDU?
Tricuspid valve
In previously normal valves which valve is the most commonly affected in IE?
Mitral
When can flash pulmonary oedema occur?
Mitral regurgitation due to MI
Management of broad complex tachycardia?
Amiodarone
Indication for emergency valve replacement in IE?
IE plus CCF
ECG changes in hypercalcaemia?
Short QT interval
ECG changes in severe hyperkalaemia?
Sinusidal/ sine wave
Where is claudication in iliac stenosis?
Buttock pain
Where is claudication in femoral stenosis?
Calf pain
First line imaging in PAD?
Duplex USS
Quinke’s sign?
Aortic regurgitation (nail bed pulsation)
Associated murmur with narrow pulse pressure ?
Aortic stenosis
ECG changes in Wolf-Parkinson-White?
Short PR
Wide QRS
Delta wave
In non-shockable rhythms, when should adrenaline be administered?
Immediately
Management of stable, regular narrow complex tachycardia?
Vasovagal manoeuvres
Adenosine (6mg IV, if unsuccessful give 12mg IV, if unsuccessful give 18mg IV)
Stilll ineffective give verapamil or beta blocker
Management of stable, regular broad complex tachycardia?
Amiodarone 300mg IV over 10-60 minutes
Management of irregular narrow complex tachycardia?
Probable AF
Rate control with a beta blocker
Consider digoxin/amiodarone if evidence of HF
Anticoagulate if duration > 48 hours
Management of irregular broad complex tachycardia?
AF with possible BBB: treat as narrow complex irregular tachycardia
Polymorphic VT (TDS): Magnesium 2mg over 10 mins
Before administration of flecanide in AF?
Echo, check for evidence of structural heart disease
Which anti-hypertensive is required in controlling HTN in phaeochromacytoma?
Labetalol (require alpha and beta blockade)
Subclavian steal syndrome?
Stenosis of subclavian artery = arm symptoms when in high demand (cramping)
Most effective way of correcting hyperkalaemia?
Calcium resonium ennema (as K+ secreted by rectum)
Epsilon wave on ECG?
Small deflection buried at the end of the QRS complex
Characteristic of ARVD - Arrhythmogenic Right Ventricular Dysplasia
PAD management?
Statin 80mg
Clopidogrel
Exercise training
Murmur in aortic regurgitation?
Early diastolic
Leriche syndrome?
Classically, it is described in male patients as a triad of symptoms:
- Claudication of the buttocks and thighs
- Atrophy of the musculature of the legs
- Impotence (due to paralysis of the L1 nerve)
Atherosclerotic occlusive disease involving the abdominal aorta and/or both of the iliac arteries
Most common causes of infective endocarditis?
Staphylococcus aureus
Staphylococcus epidermidis if < 2 months post valve surgery
U waves?
Hypokalaemia
ECG in hypothermia?
J waves
Long QT
Bradycardia
First degree heart block
Kussmaul’s sign
JVP that doesn’t fall with inspiration (constrictive pericarditis)
Normal varient in athlete on ECG?
Mobitz type 1 (Wenckebach phenomenon)
When should nifedipine be avoided?
HF
Drug contraindicated in VT?
Verapamil
Heart sound in pulmonary HTN?
Loud S2
When is pulmonary stenosis loudest?
Inspiration
Pulses paradoxus?
Abnormally large drop in BP during inspiration
How is the QT interval measured ?
Start of the Q wave to the end of the T wave
prolonged QTc interval values?
Men: >440
Women: >460
If fibrinolysis is given for an ACS, when should an ECG be repeated?
After 60-90 minutes
Most common cause of IE in IVDU?
Staph A
Most common cause of IE following surgery for prosthetic heart valve?
Strep epidermis (only until up to 2 months post surgery)
What can cause a falsely low BNP?
Aldosterone antagonists
ACEi
ARB
Beta blockers
Diuretics
Obesity
IE cause in very poor dental hygiene?
Strep viridian’s (strep sanguinus)
Pathophysiology of long QTc syndrome?
Loss of function/blockage of K+ channels
Persistent ST elevation in anterior leads following MI?
Left ventricular aneurysm
Mitral stenosis ECG?
Broad, notched (bifid) p waves
Most prominent in lead II
Due to atrial dilatation
Increased p wave amplitude on ECG?
Cor pulmonale
Normal PR interval?
3-5 small squares
0.12-0.2
Artery affected in inferior MI?
Right coronary artery
Artery affected in anterior MI?
Left anterior decending artery
Artery affected in anterolateral MI?
Left anterior descending artery or left circumflex artery
Artery affected in posterior MI?
Left circumflex, right coronary
Artery affected in lateral MI?
Left circumflex artery
Symptoms of carotid artery disection?
Localised headache
Neck pain
Neuro signs (e.g. Horner’s syndrome)
Jerky pulse?
HOCM
Slow rising pulse?
Aortic stenosis
How long can CPR continue for if cardiac arrest is due to PE?
60-90 Minutes
When should betablockers Be stopped in HF patients?
Hr <50, 2nd or 3rd degree block or shock
Electrical alterans ECG?
Cardiac tamponade
(Beat variation in QRS amplitude and morphology)
Packed RBC frransfusion in HF and furusemide?
If giving > 2 units
Give after every other unit
Notching of inferior border of ribs ?
Present in 70% of those with co arctation of the aorta
Causes of 3rd heart sound?
Normal < 30 years
LV failure (cardiomyopathy, constrictive pericarditis)
Mitral regurgitation
Causes of 4th heart sound?
Aortic stenosis
HOCM
HTN
Inheritance of Marfan’s?
Autosomal dominant
When should lvabradine be considered in HF?
Sinus rhythm
Bpm >75
LVEF < 35%
Haven’t responded to ACEi, beta blocker or aldosterone agonist
Investigation of superficial thrombophlebitis affecting proximal long saphenous vein?
USS to exclude DVT
Management of superficial thrombophlebitis?
Oral NSAIDs
Compression stockings
Management of superficial thrombophlebitis affecting proximal long saphenous vein?
Prophylactic dose LMWH for 30 days or foniparinaux for 45 days
Oral NSAIDs for 8 to 10 days info LMWH contraindicated
What can make AS murmur quieter?
LV systolic dysfunction
What drug can cause heart racing?
Nifedipine causes peripheral vasodilation which may result in reflex tachycardia