Electrolytes Flashcards
1
Q
For every drop in 0.3 meQ in K+, what is the estimated total body deficit?
A
100 mEQ
2
Q
What are 4 ECG changes in hypokalemia?
A
flattened T wave prolonged QT U wave ST depression nonspecific ST changes
3
Q
What are clinical manifestations of hypokalemia? At what levels do they usually occur?
A
cardiac dysrhythmias parasthesias fasciculations muscle weakness confusion depressed deep tendon reflexes <2.5 mEQ
4
Q
What are 5 major cardiac dysrhythmias seen in hypokalemia?
A
first degree AV block second degree AV block ventricular fibrillation atrial fibrillation asystole