Chest pain Flashcards
What is a differential for ST elevation in inferior ECG leads?
Aortic dissection
Which syndromes are associated with aortic dissection?
Marfan’s
Ehlers-Danlos
Turner’s
Noonan’s
Risk factors for aortic dissection?
Hypertension Trauma Pregnancy Bicuspid aortic valve Syndromes (M, E, T, N) Syphilis
Features of aortic dissection?
Tearing pain
Hyper or hypotensive depending on blood loss
Tachycardia, clammy and cold
Artery specific involvement
No / non-specific ECG changes / ST elevation in inferior leads
Associated symptoms of reflux?
Vomiting
High BMI
Positional changes in pain - worse when lying
Presentation of infective endocarditis?
Fever
Murmur
IV drug use is a risk factor
What organism is most likely to cause infective endocarditis in an IV drug user?
S. aureus
Risk factors for PE?
Immobility / surgery Previous PE History of malignancy Tachycardia Haemoptysis Signs of DVT
Dressler’s syndrome is…
Auto-immune pericarditis occurring 2-6 weeks after an MI
Presentation of Dressler’s syndrome?
Pleuritic chest pain
Pyrexia
Rubbing sound on auscultation
Pansystolic murmur
Treatments for chronic heart failure?
Loop diuretics will reduce the fluid overload
ACE-inhibitors and beta blockers improve the long term prognosis
What commonly follows inferior MI?
Atrioventricular block
Most common cause of mitral stenosis?
Rheumatic fever
Most common cause of cardiac arrest post-MI? (3-5 days)
Ventricular fibrillation (extensive coagulative necrosis and neutrophils)
Event 0-24 hours post MI?
early necrosis
Ventricular arrhythmia
HF
Cardiogenic shock
Event 1-3 days post MI?
extensive necrosis + neutrophils
Ventricular fibrillation (cardiac arrest)
Event 3-14 days post MI?
macrophages + granulation at margins
Free wall rupture
Valve rupture
LV pseudoaneurysm
Event 2 weeks-several months post MI?
contracted scar
Dressler’s syndrome
HF
Arrhythmias
Mural thrombus
Causes of cardiogenic shock?
Infarcted ventricular wall (reduced stroke volume)
Free wall rupture
How do you improve prognosis of chronic heart failure?
Beta blockers
Loop diuretics
Inferior MI commonly can lead to…
AV block