Rajesh Gubba on Instagram: "**🫀 ECG QUIZ | Psych–Cardio Connection** A patient on **long-term lithium therapy** for a psychiatric disorder comes for routine evaluation. Lithium is well known to affect **cardiac conduction** and can produce characteristic ECG changes. 📊 **Question:** Which of the following ECG changes can be seen in a patient on long-term lithium? a️⃣ T-wave inversion b️⃣ ST segment elevation c️⃣ ST segment depression d️⃣ QT interval prolongation 🔍 **Key Point:** Lithium commo