Electrophysiology technology is used to measure, record and analyze the electrical phenomena and characteristics of organisms, while cardiac electrophysiology refers to the comprehensive judgment and corresponding treatment by recording the electrical activity in the heart, analyzing its performance and characteristics to reason. Besides routine drug control, electrophysiological surgery can not only control arrhythmia symptoms and improve the quality of life, but also improve the prognosis and reduce the incidence of stroke, cardiovascular events and death.

Here is that the content:

• Getting acquainted with cardiac electrophysiology

• Products required for electrophysiology

• Characteristics of excellent diagnostic electrophysiology catheter

Getting acquainted with cardiac electrophysiology

Cardiac electrophysiological surgery includes two-dimensional cardiac electrophysiological surgery and three-dimensional cardiac electrophysiological surgery. Compared with two-dimensional cardiac electrophysiology surgery, three-dimensional cardiac electrophysiology surgery has obvious technical advantages, mainly including high mapping density, accurate catheter positioning, short mapping time, low-dose radiation, etc., which can improve the success rate of surgery and reduce the radiation damage to patients and doctors, and is gradually replacing two-dimensional technology.

Products required for electrophysiology

Cardiac Ablation Catheter is the main treatment for arrhythmia surgery. There are three products involved in catheter radiofrequency ablation surgery, namely, three-dimensional mapping system, mapping catheter and ablation catheter. Simply put, the three-dimensional mapping system and mapping catheter are used to map and model the heart, measure the local electrical signals and pacing of the heart and find the location of the lesion, and then the ablation catheter is used to ablate the lesion (the myocardial tissue is coagulated and necrotic by heating). Ablation also includes radiofrequency ablation and cryoablation. At present, the effectiveness of radiofrequency ablation for relatively simple supraventricular tachycardia, such as dual atrioventricular nodal pathways and atrioventricular reentry, with clear mechanism, can reach about 95% (generally refers to one-year non-recurrence), and the success rate for paroxysmal atrial fibrillation can reach about 90%, while the effective rate for persistent atrial fibrillation is only about 70%. The increase of the operator's operating experience and the continuous introduction of new products are expected to continuously improve the operative efficiency. Doctors need a certain learning curve and the popularization and popularization of the three-dimensional system.

Characteristics of excellent diagnostic electrophysiology catheter

Excellent damping, synchronous beating with the heart, stable contact and difficult displacement.

Soft head end to avoid myocardial tissue damage.

A variety of electrode spacing, providing discrimination of ECG signals in specific parts. It must be strong and full signals diagnostic electrophysiology catheter.

The hardness of the catheter is gradually changed from the electrode section to the main body of the catheter, which improves the maneuverability and the in-place ability of the catheter.

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