Quinidine produces the following ECG changes: 1. Prolongation of Q-T interval: 2. Prolongation of QRS complex: 3. Prominent V wave: 4. Mild prolongation of P-R interval: 5. S-T segment depression: 6. T wave widening and inversion. 7. P wave may be wide and notched. #Diagnosis #Cardiology #ECG #EKG #Quinidine #Toxicology #Toxicity
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