Dilated Cardiomyopathy
Last modified: 24 November 2021, 12:57:42 PM AEDT
Gems / Priorities1 / 6
- conduction block + VT = think infiltrative disease, eg. sarcoid ***
Definition / diagnostic criteria2 / 6
- systolic failure
- LV dilatation phenotype +/- RVD
- absence of CAD / abnormal loading conditions
Prognosis3 / 6
- DCM is commonest indication for heart TX
Aetiology / Causes / Risk Factors4 / 6
- Secondary 80%
- CAD / HTN
- drugs = alcohol, cocaine
- systemic = SLE, pregnancy, CKD, hyperthyroidism
- Primary 20%
- 50% idiopathic
- 50% familial
Pathophysiology5 / 6
- common pathway
- progressive contractile failure
- loss of myofibrils
Anaesthetic considerations6 / 6
- Pre-op
- Intra-op
- HR = normal
- RHY = SR
- PL = maintain
- INO = maintain
- AL = maintain, may benefit from ⬇AL
- Post-op