deck 5

Question 1

Unconscious pt has EKG shown below. Most important item to code?

Answer 1

• hyperkalemia
• EKG shows AIVR with sine wave pattern in V1 consistent with profound hyperkalemia

Question 2

What is the phenomenon shown below called?

Answer 2

reciprocal echo beat

APC (arrowhead) activates ventricles (arrow), then returns retrogradely to activate atria (P wave directly after QRS)

Question 3

Name 3 EKG features that are adverse prognostic indicators in setting of acute MI?

Answer 3

1. absolute value of sum of ST deviations
2. sinus tachycardia
3. QRS widening > 100 ms

all of the above predict worse 30 day mortality post MI