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Right heart strain (also right ventricular strain or RV strain) is a medical finding of right ventricular dysfunction [1] where the heart muscle of the right ventricle (RV) is deformed. [2] Right heart strain can be caused by pulmonary hypertension, [3] pulmonary embolism (or PE, which itself can cause pulmonary hypertension [4]), RV infarction ...
Right ventricular hypertrophy is the intermediate stage between increased right ventricular pressure (in the early stages) and right ventricle failure (in the later stages). [11] As such, management of right ventricular hypertrophy is about either preventing the development of right ventricular hypertrophy in the first place, or preventing the ...
A right bundle branch block (RBBB) is a heart block in the right bundle branch of the electrical conduction system. [1] During a right bundle branch block, the right ventricle is not directly activated by impulses traveling through the right bundle branch. However, the left bundle branch still normally activates the left ventricle.
ACM is a progressive disease. Over time, the right ventricle becomes more involved, leading to right ventricular failure. The right ventricle will fail before there is left ventricular dysfunction. However, by the time the individual has signs of overt right ventricular failure, there will be histological involvement of the left ventricle.
They produce QRS complexes of relatively short durations with a right bundle branch block pattern. Tachycardias originating in the anterior left fascicle would lead to right axis deviation. [citation needed] Right ventricular outflow tract tachycardia originates from the outflow tract of the right ventricle or the tricuspid annulus.
The EF of the right heart, or right ventricular ejection fraction (RVEF), is a measure of the efficiency of pumping into the pulmonary circulation. A heart which cannot pump sufficient blood to meet the body's requirements (i.e., heart failure) will often, but not invariably, have a reduced ventricular ejection fraction. [6]
Intraventricular conduction delay seen in precordial/chest leads with QRS duration 100 ms. An EKG of a 25-year-old male. Intraventricular conduction delays (IVCD) are conduction disorders seen in intraventricular propagation of supraventricular impulses resulting in changes in the QRS complex duration or morphology, or both.
If a patient has restrictive cardiomyopathy, the Doppler study should present poorly maintained ventricular filling on the E-wave and little to no late ventricular filling on the A-wave leading to the dip and plateau pattern of the early diastolic pressure marks seen on the ECG. [14]