Right sided heart failure, cor pulmonale

Question 1

what causes cor pulmonale?

Answer 1

right sided heart failure to primary pulmonary disorder

absence of left sided heart dx

Question 2

common causes of cor pulmonale?

Answer 2

parenchyma dx and chronic hypoxia

such as: COPD (most common), Cystic fibrosis, OSA, and interstitial lung dx

Pulmonary vascular dx: pulmonary embolism

Question 3

symptoms of cor pulmonale:

Answer 3

dyspnea, fatigue, on exertion,
exertional angina (due to decreased cardiac output)
exertional syncope (due to high cardiac demand)

Question 4

What is seen on physical exam with Cor pulmonale?

Answer 4

JVD
peripheral edema
palpable RV heave and loud S2 and tricuspid regurg murmur. see hepatosplenomegly with pulsatile liver

Question 5

what labs are done and what is shown on EKG, TTE and catherization

Answer 5

EKG- see complete or incomplete right bundle branch block

see R axis deviation, RV hypertrophy and RV enlargement

TTE: pulmonary HTN, RV dilation/dysfunction, tricupid regurg

Catherization: shows elevated filling pressures and decreased cardiac output and pulmonary HTN