1. What arrhythmia is characterized by the phrase “irregularly irregular”? 2. Which electrolyte disturbances are capable of causing arrhythmias? 3. Which variety of AV block is characterized by a...

1. What arrhythmia is characterized by the phrase “irregularly irregular”?

2. Which electrolyte disturbances are capable of causing arrhythmias?

3. Which variety of AV block is characterized by a complete dissociation of P waves and QRS complexes?