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The pathophysiology of pulmonary heart disease (cor pulmonale) has always indicated that an increase in right ventricular afterload causes RV failure (pulmonary vasoconstriction, anatomic disruption/pulmonary vascular bed and increased blood viscosity are usually involved [1]), however most of the time, the right ventricle adjusts to an overload in chronic pressure.
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.
Right Atrial Enlargement (RAE) increases the p wave, representing atrial depolarization, on an ECG to an amplitude > 2.5mm in lead II, an abnormality referred to as p-pulmonale, likely due to weakened right atrial myocardium close to the Sinoatrial (SA) node.
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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]
415.0 Acute cor pulmonale; 415.1 Pulmonary embolism and infarction. 415.11 Iatrogenic pulmonary embolism and infarction; 415.12 Septic pulmonary embolism; 415.19 Other pulmonary embolism and infarction; 416 Chronic pulmonary heart disease. 416.0 Primary pulmonary hypertension; 416.1 Kyphoscoliotic heart disease; 416.2 Chronic pulmonary embolism
This can lead to strain on the right side of the heart, a condition known as cor pulmonale. Pulmonary edema, leakage of fluid from capillaries of the lung into the alveoli (or air spaces). It is usually due to congestive heart failure. Pulmonary hemorrhage, inflammation and damage to capillaries in the lung resulting in blood leaking into the ...
The Graham Steell murmur is often heard in patients with chronic cor pulmonale (pulmonary heart disease) as a result of chronic obstructive pulmonary disease. [ citation needed ] In cases of mitral obstruction the murmur is occasionally heard over the pulmonary area and below this region, for the distance of an inch or two along the left border ...