http://www.neufeld.newton.ks.us/electronics/?p=148 Wed, 25 Mar 2026 22:26:27 -0600 hourly 1 http://wordpress.org/?v=3.1.3 http://www.neufeld.newton.ks.us/electronics/?p=148&cpage=1#comment-23012 Jean Chachere Fri, 27 Mar 2009 14:09:55 +0000 http://www.neufeld.newton.ks.us/electronics/?p=148#comment-23012 The circuit causes a red LED to blink every 6 seconds. This is its sole purpose and is used to time ventilations. The device itself will work if the circuit is turned off. The device enhances blood flow to the heart, lungs and brain during CPR applied to a patient in cardiac arrest. The circuit causes a red LED to blink every 6 seconds. This is its sole purpose and is used to time ventilations. The device itself will work if the circuit is turned off. The device enhances blood flow to the heart, lungs and brain during CPR applied to a patient in cardiac arrest.

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