16 results
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
filling of bucket (low ... (transcellular shift ... all the time (urinary ... #Algorithm #Causes ... #workup #nephrology
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
intake, Gl loss, shift ... Hypomagnesemia #algorithm ... #differential #diagnosis ... #causes #nephrology ... #magnesium #low
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Hypothyroidism, Low ... Glucocorticoid deficiency, Primary ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... water loss, Serum Sodium ... mannitol, glucosuria Low ... Hypernatremia #Nephrology ... #Algorithm #Causes
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... - Differential Diagnosis ... Algorithm Volume ... #Algorithm #Nephrology ... #Causes
“Step by Step” – the new kid on the block – aims to risk stratify this
be considered “low ... leukocytes in urine ... CRP < 20 mg/L #Diagnosis ... #Management #Pediatrics ... #Peds #Febrile
Causes of Apparent Life Threatening Event (ALTE) - Differential Diagnosis Algorithm
Cardiac:
 • Congenital Heart Disease
 •
Causes of Apparent ... • Empyema • Urinary ... Breathing • Apnea of Infancy ... #Algorithm #Causes ... #Peds #Pediatrics
Causes of Hypotonic Infant (Floppy Newborn) - Differential Diagnosis Algorithm
Central Nervous System - Decreased LOC, Axial
Causes of Hypotonic ... Infant (Floppy ... System - Decreased LOC ... #Algorithm #Causes ... #Peds #Pediatrics
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Algorithm Hypovolemic ... Solute Intake - Primary ... , CNS Disease, Meds ... #Algorithm #diagnosis ... #nephrology #sodium
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Chloride Algorithm ... alkalosis • Normal/low ... the indicated causes ... #Algorithm #nephrology ... #differential #diagnosis