Extreme degrees of<unk>  are considered a medical emergency due to the risk of potentially fatal arrhythmias.  The EKG is an important tool in evaluating a patient who has<unk>  as well as in diagnosing<unk> .  However, EKG changes do not always correlate with the degree of<unk> .  Some of the EKG changes that can be seen associated with<unk>  include peaked T waves, PR interval prolongation, QRS complex widening, absence of P waves, sine wave pattern and sinus arrest.
Hyperkalemia electrocardiogram
Hypokalemia electrocardiogram
Hypercalcemia electrocardiogram
Encephalopathy electrocardiogram
Hyperkalemia physical examination
Hypocalcemia electrocardiogram
Bradycardia electrocardiogram
Malignant hypertension electrocardiogram