Learn ECGs Fast | JMD Medical Ed on Instagram: "He’s pale. Still. And his heart is writing poetry in curves and dips. But not the kind you want to frame. The ECG prints out - and there it is. That strange, scooped ST segment. Each one bending down, curling back up like a Salvador Dalí moustache. Beautiful. Dangerous. Unmistakable. This is the Digoxin effect. Not toxicity - not yet - but the warning sign that the heart’s chemistry has shifted. Digitalis pushes the heart to contract harder… but it