Electrolytes Flashcards
Potassium
What saying to remember what potassium does?
kalemias do the same as the prefix except for HR & urine output
K+ =Heart effected
S/S of Hyperkalemia
Brain: irritability, restlessness, agitation
Lungs: tachypnea
Heart: Bradycardia
Urine: oliguria
Bowel: diarrhea, borborygmi
Muscles: spasticity
Reflexes: +3, +4
-T waves passed & S wave elevated
S/S of Hypokalemia
Brain: lethargy
Lungs: Bradypnea
Heart: Tachycardia
Urine: Polyuria
Bowel: constipation
Muscles: flaccidity
Reflexes: +1, +2
-Cushing’s (retain sodium & water=loss of potassium)
Calcium
What saying to remember what Calcium does?
Calcemias do the Opposite as the prefix
Ca+ =muscles effected
S/S of Hypercalcemia
Everything goes Down
Brain: Lethargy
Lungs: Bradypnea
Heart: Bradycardia
Urine: Oliguria
Bowel: Constipation
Muscles: Flaccidity
Reflexes: +1, +2
S/S of Hypocalcemia
Everything speeds UP
Brain: Irritability, restlessness, agitation
Lungs: tachypnea
Heart: tachycardia
Urine: polyuria
Bowel: diarrhea
Muscles: spasms
Reflexes: +3, +4
-Chvostek sign: touch their CHEEK, spasm of the face
-Trousseau sign: bp cuff on then spasm of hand
Magnesium
What is the saying to remember Magnesium?
Magnesium does the Opposite as the prefix
-In a tie DO NOT pick Magnesium, pick Ca over Mg
S/S of Hypermagnesemia
Everything goes Down
Brain: Lethargy
Lungs: Bradypnea
Heart: Bradycardia
Urine: Oliguria
Bowel: Constipation
Muscles: Flaccidity
Reflexes: +1, +2
S/S of Hypomagnesemia
Everything speeds UP
Brain: Irritability, restlessness, agitation
Lungs: tachypnea
Heart: tachycardia
Urine: polyuria
Bowel: diarrhea
Muscles: spasms
Reflexes: +3, +4
HypErnatremia S/S
dEhydration (DKA, DI, HHNK)
S/S: Hot flush skin
-Give lots of fluids
HypOnatremia S/S
fluid Overload (SIADH)
Tx. Give Lasix & Restrict Fluids
What is the Earliest sign of any electrolyte disorder?
Numbness & Tingling–> Paresthesia
Circumoral parathesis= numbness/tingling of the lips
What is the universal sing of any electrolyte disorder?
Muscle weakness Paresis
What are the Rules for Tx. K+
- NEVER give as IV push
-
NEVER more than 40 of K+ per liter of IV fluid
-If more question and clarify w/ dr
High K+ can stop heart
How do you lower K+
- D5W w/ regular Insulin
–(temporary but fast) - Kayexalate “kay exits late”
–(removes K but slow)