Medical Insights on Instagram: "When your heart suddenly starts racing out of nowhere, it can feel terrifying — and that’s exactly what happens during Supraventricular Tachycardia (SVT). SVT is a condition where the heart’s electrical system misfires, causing the heartbeat to shoot up to extremely high speeds in just seconds. Many people describe it as a pounding, fluttering, or “jumping” sensation in the chest, often accompanied by dizziness, chest discomfort, or shortness of breath. In the mom