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A 40 year old male is complaining of pain in his right arm.  Upon examination, you find a cool pale extremity with no radial pulse.  Pulses are present in other extremities, and the patient denies trauma.  Which of the following would benefit this patient most?

A 38 year-old male is complaining of a headache and nausea.  His pulse is 90 and his BP is 190/142.  He denies any medication or drug use.  You should:

You interpret a 12-lead ECG and see positive QRS deflection in lead I and negative QRS deflection in lead aVF. What is the axis?

What is the very first event that appears on a 12 lead ECG when the heart myocardium becomes ischemic?  

You interpret the above 12 lead, initially, as:

You are ordered to infuse epinephrine to a patient with sustained bradycardia, refractory to atropine.  You have 1 mg of epinephrine available, a 250 ml bag of 0.9% normal saline and a microdrip IV infusion set.  Order is to run the infusion at 4 mcg/min.  What is the drip rate?

The correct area of the chest to place lead V4 is 

Ventricular tachycardia and/or misplaced limb leads may cause what form of axis deviation?

Which of the following leads will give a view of the inferior wall of the heart?

A 60 year-old female is complaining of a fever.  Her ECG is above.  Vitals are: BP 116/56, RR 20, P 70 and irregular, and SpO2 97% on room air.  You should: