Cor Pulmonale Flashcards
what is it
right heart failure due to chronic pulmonary hypertension
causes
chronic lung disease, pulmonary vascular disorders, neuromuscular and skeletal disorders
symptoms
dyspnoea, fatigue, syncope
signs
hepatomegaly, cyanosis, pansystolic murmur, loud P2, RV heave, oedema, early diastole, incr JVP, tachycardia
investigations
FBC- secondary polycythaemia, hypoxia, CXR, ECG
what does the CXR show
enlarged right atrium and ventricles, prominent pulmonary arteries
what does the ECG show
p pulmonale, RAD, RVD
management
treat cause, treat resp failure- 24% at first if O2 55, heart lung transplant
prognosis
50% die within 5y
lung causes
COPD, bronchiectasis, lung resection, severe chronic asthma, pulmonary fibrosis
pulmonary vascular disease causes
PE, pulm vasculitis, ARDS, sickle cell, parasite
thoracic cage abnormalities causes
kyphosis, scoliosis, thoracoplasty
NMD causes
MG, MND, poliomyelitis
hypoventilation causes
enlarged adenoids in children, sleep apnoea