Most abundant extracellular cation, does not cross the cell membrane easily.
What is sodium?
100
Patient hasn't had much of an appetite for days and complains of abdominal distention and cramping. He is taking Furosemide IV 20 mg BID, and has frequent PVC's.
What is Potassium?
100
135-145 meq/L
What is Sodium
100
-Maintains fluid volume with the cell
-Supports cardiac, skeletal and smooth muscle contractions and nerve impulse conduction
-Corrects acid/bases imbalances by maintaining the hydrogen ion concentration in plasma
What are functions of potassium?
100
Your patient has a prolonged QT interval and paresthesias of lips and extremities. Assessment of
Chvostek's and Trousseau's sign are implemented.
What is hypocalcemia?
200
The electrolyte of greatest quantity in the body but only 1% is not in the bones or teeth.
What is calcium?
200
Intern has ordered D5W @ 200 ml/hr. Patient is sleepy and difficult to arouse.
What is Sodium?
200
3.5-5.0 meq/L
What is Potassium
200
- Used in the development and maintenance of teeth and bones.
- Necessary for the synaptic release of neurotransmitters for transmission of nerve impulses.
- Initiates skeletal and cardiac muscle contractions
- Helps regulate the heartbeat and blood pressure.
Next to calcium, it is the most abundant mineral in the body.
What is phosphorus?
300
Spasms of the face, larynx, hands, and feet, depression mood swings
What is calcium?
300
4.64-5.28 meq/L
What is ionized calcium
300
- Co-factor in the blood-clotting cascade
- Necessary for the formation and functions of healthy bones
- Influences the parathyroid hormone to maintain the calcium levels
- An excitable membrane stabilizer
What are functions of magnesium?
300
Hypercalcemia, bone deterioration, chronic diarrhea
What is hypophosphatemia?
400
60% in the bone
39% in intracellular fluid
1% in extracellular fluid
Relaxes muscles.
What is Magnesium?
400
Patient is an emaciated alcoholic who has just had a seizure.
What is magnesium?
400
1.5-2.5 meq/dl
What is Magnesium
400
- Maintains blood volume and fluid balance
- Influences the permeability of cell membranes and helps
to move substance across the cell membranes
- Maintains active transport in conjunction with potassium
What are functions of sodium?
400
Elderly renal failure patient with history of GERD.
What is hypermagnesemia?
500
Most abundant intracellular cation.
What is potassium?
500
Patients has severe vomiting, diarrhea, GI suctioning, after a GI surgery.
What are potassium and Magnesium?
500
7.35-7.45
What is normal body pH?
500
Important in:
- Muscles contraction
- Transport of fatty acids
- Acidification of urine
- Proper function of red blood cells
What are functions of phosphorus?
500
Your patient has a prolonged QT interval and paresthesias of lips and extremities with a positive
Chvostek's and Trousseau's sign.