The anion gap is a calculation that measures the balance of select negative and positive charges (anion and cations respectively) in plasma. Anion gap is critical for the assessment of acid -base disorders which is an umbrella diagnosis that has many causes including renal failure, toxicities, sepsis and diabetic ketoacidosis. Though the name suggests thereContinue reading “Anion Gap & Neutrality: Filling in the Knowledge Gap”
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How to Calculate Osmolarity in 4 Easy Steps
Osmolarity is a measure of concentration. Concentration, regardless of the different units that can be used, is the ratio of mass and quantity. When concentration is expressed as osmolarity, mass is the number of osmoles and quantity is volume in liters. When is Osmolarity Useful Osmolarity permeates many aspects of medicine: Homeostasis The concept ofContinue reading “How to Calculate Osmolarity in 4 Easy Steps”
How to Perform Alligation Calculations: Grid Method
When faced with complex dosing problems, understanding alligation calculations can be crucial for determining the right proportions of solutions in pharmaceutical preparations. Clinical scenario: The neonatologist orders D12% for a 2 day old neonate. What would you do? Chat GPT or Google? On a 2 day old? Even the most trusted clinical calculators have theContinue reading “How to Perform Alligation Calculations: Grid Method”