What is concerning about this ECG?
What factors contribute toward this presentation?
How do you emergently correct this abnormality?
What are the risks of anesthetizing a patient with this ECG?
The clinical scenario and presentation along with the ECG suggests hyperkalemia.Hyperkalemia is defined as a potassium level >5.5 mEq/L. Moderate hyperkalemia is a serum potassium >6.0 mEq/L, and severe hyperkaliemia is a serum potassium >7.0 mE/L. Easily distinguished ECG signs of hyperkalemia are: Serum potassium >5.5 mEq/L 
Peaked T waves
Serum potassium >6.0 mEq/L
P wave widening and disappearance
Prolongation of the PR interval
QT interval shortening