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Pulmonary heart disease, also known as cor pulmonale, is the enlargement and failure of the right ventricle of the heart as a response to increased vascular resistance (such as from pulmonic stenosis) or high blood pressure in the lungs.
Bilharzial cor pulmonale is the condition of right sided heart failure secondary to fibrosis and sclerosis of the pulmonary artery branches.It results from shifting of the Schistosoma haematobium ova from the pelvic and vesical plexus to the pulmonary artery branches where they settle and produce granuloma and fibrosis.
An important potential finding with echo is McConnell's sign, where only the RV apex wall contracts; [7] it is specific for right heart strain and typically indicates a large PE. [8] On an electrocardiogram (ECG), there are multiple ways RV strain can be demonstrated. A finding of S1Q3T3 [b] is an insensitive [10] sign of right heart strain. [11]
Right-sided heart failure is often caused by pulmonary heart disease (cor pulmonale), which is typically caused by issues with pulmonary circulation such as pulmonary hypertension or pulmonic stenosis. Physical examination may reveal pitting peripheral edema, ascites, liver enlargement, and spleen enlargement.
The low oxygen level leads to physiologic constriction of the pulmonary arteries to correct ventilation-perfusion mismatching, which puts excessive strain on the right side of the heart. When this leads to right sided heart failure, it is known as cor pulmonale. [4] Symptoms of this disorder occur because the heart has difficulty pumping blood ...
An example of a condition where parasternal heave can be felt is cor pulmonale. This impulse may also be felt in dilated right ventricular myopathy. The palpation of dilated myopathy differs in that the impulse tends to be vigorous and brief. This is in contrast with the sustained impulse of the hypertrophied right ventricle. [5]
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