Hypercalcemia in ECG is diagnosed by-
The main ECG abnormality seen with hypercalcaemia is shoening of QT interval In severe hypercalcaemia, Osborn wave (J waves) may be seen Ventricular irritability and VF arrest has been repoed with extreme hypercalcaemia Increased PR interval and tall T waves are not seen in hypercalcemia Ref Harrison 20th edition pg 1523
Increased QT interval
Decreased QT interval
Increased PR interval
Tall T waves
C.V.S