9 results
21-Hydroxylase Deficiency (21-OHD): Pathogenesis and Clinical Findings
Autosomal recessive mutation in CYP21A2 coding for the enzyme 21-OHase
enzyme 21-OHase causes ... decr feeding, weight ... #21HydroxylaseDeficiency #21OHD ... pathophysiology #genetics ... endocrinology #peds
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Hyperkalemia Differential ... Diagnosis Algorithm ... #Differential # ... Diagnosis #Algorithm ... #causes #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Syndrome • HTN, High ... #Differential # ... #causes #potassium
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Diagnosis Algorithm ... #Differential # ... #nephrology #causes ... #low #potassium
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... treated with IV potassium ... wasting from other causes ... urinary losses: • High ... #differential #
Causes of Growth Discrepancy: Large for Gestational Age - Differential Diagnosis Algorithm
Maternal Factors:
 • Multiparity
 •
Causes of Growth ... Diagnosis Algorithm ... • Excessive weight ... >41 weeks) • Genetic ... Shoulder dystocia • Birth
Causes of Hyperkalemia - Differential Diagnosis Framework
 • Cellular Shift:
   - Exercise
Causes of Hyperkalemia ... - Differential ... #Differential # ... Diagnosis #Causes ... #potassium #high
Pediatric Vomiting - Gastrointestinal and Systemic Causes - Differential Diagnosis Algorithm
Hepatobiliary:
 • Acute Hepatitis
 • Acute
- Differential ... Diagnosis Algorithm ... • Uremia • Hypercalcemia ... Carbon Monoxide High ... #Causes #Peds #
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Pragmatic diagnostic algorithm ... urine Na/Cl < 0.7, high ... confirmed via genetic ... correcting serum potassium ... #diagnosis #differential