Trans-Septal Myocardial Biopsy in Hypertrophic Cardiomyopathy Using the Liwen Procedure: An Introduction of a Novel Technique

<div>Myocardial biopsy needle of the Liwen procedure. The biopsy needles were 1.27 mm in diameter with adjustable front-end lengths of 10 mm and 20 mm, respectively. (a) Cardiac puncture sheath. (b) Cardiac biopsy needle.</div>

Journal of Interventional Cardiology

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Figure 1

Figure 1: Trans-Septal Myocardial Biopsy in Hypertrophic Cardiomyopathy Using the Liwen Procedure: An Introduction of a Novel Technique 