In an ECG, the P wave is the heart's atria contracting, the QRS complex shows the ventricles taking over, and the T wave is the ventricles resetting. But I tell you, on my little machine at the Primary Health Centre, I see them more simply: it is the story of a single, faithful heartbeat, like the steady rhythm of my stove's flame through the night. What matters most is when that rhythm falters—like the skipped beat I felt seeing my son's fee notice—because then you must act.
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