The pumpYour heart is a pump. Every beat sends blood to your brain and body, carrying the oxygen they need.Cardiac arrestIn cardiac arrest the heart stops pumping. Blood stops, and the brain gets no oxygen.You are the pumpNow you are the pump. The heart sits between breastbone and spine.DepthAdult compressions go two to two point four inches deep. That’s the green band.
Three pointsA sit-down forklift balances on three points: the two front wheels and the pivot pin in the middle of the rear axle.The triangleJoin them and you get the stability triangle.Carrying a loadPick up a load and the center of gravity moves forward.WatchWatch the raised load shift the dot forward.
An agent is a loopAn agent is a loop. You send a prompt, Claude decides what to do, and it can call your tools.PromptYour prompt joins the system prompt and the tool definitions in the context window.tool_useFor a client tool, Claude returns stop_reason "tool_use" and a tool_use block with an id, the tool's name, and its input.
Health care
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