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Roche revealed in its first-quarter results statement that giredestrant missed the mark in the phase 2 acelERA trial in advanced breast cancer, in what appears to be another blow to the emerging ...

Once far-field R waves are differentiated from atrial electrograms, conducted atrial fibrillation or atrial flutter (Fig. 10) must be distinguished from VT during atrial arrhythmia (Fig. 11).