Electrolytes

Question 1

For every drop in 0.3 meQ in K+, what is the estimated total body deficit?

Answer 1

100 mEQ

Question 2

What are 4 ECG changes in hypokalemia?

Answer 2

flattened T wave prolonged QT U wave ST depression nonspecific ST changes

Question 3

What are clinical manifestations of hypokalemia? At what levels do they usually occur?

Answer 3

cardiac dysrhythmias parasthesias fasciculations muscle weakness confusion depressed deep tendon reflexes <2.5 mEQ

Question 4

What are 5 major cardiac dysrhythmias seen in hypokalemia?

Answer 4

first degree AV block second degree AV block ventricular fibrillation atrial fibrillation asystole