Even if your company relies on self-service BI tools on a day-to-day basis, business intelligence analysts have an important role to play, as they are necessary for managing and maintaining those tools and their vendors. They also set up and standardize the reports that managers are going to be generating to make sure that results are consistent and meaningful across your organization. And to avoid garbage in/garbage out problems, business intelligence analysts need to make sure the data going into the system is correct and consistent, which often involves getting it out of other data stores and cleaning it up.

21 How can a complete the atrioventricular (AV) block be diagnosed on an electrocardiogram (ECG)?

22 Usually, we look for an RSR pattern for bundle branch block in the chest leads. What does it mean if there is an RSR pattern in the limb leads?

23 What is Wolff-Parkinson-White syndrome?

24 In management of atrial fibrillation (AF), is the priority to control ventricular rate or to restore cardiac rhythm?

25 Can digoxin be given in paroxysmal atrial fibrillation?

26 In a patient with atrial fibrillation and bronchial asthma, what is the recommended treatment and do beta-blockers make the condition worse?

27 What is the difference between atrial flutter and atrial tachycardia?

28 What are the possible causes of atrial extrasystoles, in a patient with a normal echo, which last for several days and then disappear spontaneously? Is treatment with anxiolytics recommended?

29 In the treatment of ventricular tachycardia, could lidocaine be used in the absence of any other drug? How effective is lidocaine?

30 Why is an extremely low level of potassium in the blood sometimes a cause of ventricular fibrillation?