The mechanism of the benefits achieved with the therapy has been attributed to resynchronization of the dyssynchronous segments resulting from bundle branch block, especially left bundle branch block ...
The study covered in this summary was published on ResearchSquare.org as a preprint and has not yet been peer reviewed. Accurate cardiac mechanic assessments have been historically difficult using ...
Cardiac-resynchronization therapy (CRT) reduces morbidity and mortality in chronic systolic heart failure with a wide QRS complex. Mechanical dyssynchrony also occurs in patients with a narrow QRS ...
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Heart failure remains a huge health care burden, with one in nine death certificates in the United States listing it as the cause of death. 1 Medical therapy has improved the prognosis for patients ...
This ECG shows ventricular pacing. Note the pacer spike prior to each QRS complex, most apparent in leads V5 and V6. The P waves appear sinus in origin and have no association with the QRS complexes ...
What caused a patient in their 60s to develop intermittent heart palpitations and periodic weakness? At presentation to the emergency department, the patient said they had not had any significant ...
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