Myocarditis Flashcards
1
Q
Define myocarditis
A
Inflammation of heart muscle
2
Q
What is the epidemiology behind myocarditis?
A
Can lead to reduced heart function, heart block, heart failure + arrhythmias
Can take a dilated cardiomyopathy appearance
3
Q
What is the aetiology?
A
Idiopathic 50%
Viral - Flu, hep, mumps
Bacterial (TB)
Spirochaetes
4
Q
What are the clinical symtoms?
A
Heart failure Fatigue SOB Palpitations Chest pain May/may not have fever
5
Q
What are the clincal signs?
A
Tachycardia
Soft S1, S4 Gallop
6
Q
What are the investigations?
A
ECG ECHO CMRI - oedema Positive troponin 1 or T level - confirm diagnosis Strep antibodies + HIV Low threshold for biopsy
7
Q
What are you looking for in an ECG?
A
ST elevation/depression
T wave inversion
Atrial arrythmias
AV block
8
Q
What is the treatment?
A
Supportive - treating heart failure + brady/tachy
Treat underlying cause
Immunotherapy
Stop possible drug exposure
