On a TEE probe, what can cause weak or dead elements—physical damage, age, poor construction, etc? Also, how many dead or weak elements can be present without affecting image quality? Thanks.

Weak or dead elements on a TEE probe have several causes. The first and most prevalent is physical damage. The array on a TEE probe is extraordinarily delicate and the slightest impact will cause element damage. There can be regular wear and tear, but this is a distant second in terms of likelihood. A lens on a TEE probe can become delaminated, which will create symptoms that mimic weak or dead elements. Proper TEE probe care is essential to maintaining the integrity of these highly expensive, highly delicate instruments. Please contact me at mtomory@conquestimaging.com for TEE probe care documentation.

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