Right heart strain Flashcards
1
Q
Causes of right heart strain?
A
PE
Pneumothorax
Pulmonary HTN
Pulmonary stenosis
Chronic lung disease
2
Q
ECG features of right heart strain?
A
Sinus tachycardia -MOST COMMON
ST depression + T wave inversion in right ventricle and inferior leads
Right axis deviation
RBBB
P pulmonale
S1Q3T3
3
Q
Why does right heart strain occur?
A
Occurs due to right ventricular dysfunction.
Right ventricle struggles to pump efficiently against raised pressures in the pulmonary vasculature in the setting of acute or chronic right ventricular hypertrophy or dilatation.