| ECG Abnormality | Clinical Condition |
|---|---|
| A) Enlarged P wave | III) Atrial enlargement |
| B) Prolonged P-R interval | I) Bradycardia |
| C) Shortened Q-T interval | IV) Hypercalcemia |
| D) Elevated S-T segment | II) Myocardial infarction |
| List I | List II |
|---|---|
| A. Heart | III. Atrial natriuretic factor |
| B. Kidney | I. Erythropoietin |
| C. Gastrointestinal Tract | IV. Secretnin |
| D. Adrenal Cortex | II. Aldosterone |
