6 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 ... loss, vomiting ... #21HydroxylaseDeficiency #21OHD ... endocrinology #peds ... #pediatrics
Pediatric Vomiting - Gastrointestinal and Systemic Causes - Differential Diagnosis Algorithm
Hepatobiliary:
 • Acute Hepatitis
 • Acute
Pediatric Vomiting ... - Differential ... Diagnosis Algorithm ... • Uremia • Hypercalcemia ... #Causes #Peds #
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Syndrome • HTN, High ... Gitelman syndrom, Vomiting ... #causes #potassium ... #low #nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Diagnosis Algorithm ... <20 mEq/24 h - Vomiting ... #Differential # ... #nephrology #causes
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Causes of Hypokalemia ... - Differential ... Diagnosis Algorithm ... • Diarrhea • Vomiting ... #Nephrology #Differential
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Pragmatic diagnostic algorithm ... presentations: • Vomiting ... urine Na/Cl < 0.7, high ... #diagnosis #differential ... #algorithm #nephrology