18 results
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
• Gitelman's syndrome ... • Bartter's syndrome ... Transcellular shift ... Diagnosis #Algorithm #Causes ... #Classification
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypercalcemia - Hypokalemia ... - Gitelman syndrome ... - Hungry bones syndrome ... Magnesium #Table #Classification ... #Causes #Workup
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... Transcellular Shifts ... plasma insulin (treatment ... use), Gitelman's syndrome ... #Causes #differential
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Renal ultrasound, Tests ... (correction of hypokalemia ... • Cushing’s syndrome ... Mineralocorticoid excess syndromes ... #Screening #Workup
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Management Summary Causes ... - Compartment syndrome ... or compartment syndrome ... Shift of extracellular ... Diagnosis #Management #causes
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
... laboratory tests ... Alzheimer - 1st cause ... Aphaso-apraxo-agnosia syndrome ... Dementia - 2nd cause ... Differential #Subtypes #Classification
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Weakness, cramping, nausea ... reabsorption) Workup ... Cortisol+ACTH stim test ... only if no clear cause ... Redistribution Treatments
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
iniury, Compartment syndrome ... Shift of extracellular ... Dialysis for severe hyperkalemia ... Management #Summary #causes ... #treatment
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
high WBC count cause ... organ damage • Treatment ... hydration - Hyperkalemia ... treatment (no calcium ... diagnosis #management #hematology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
value is low, tests ... indirect antiglobulin tests ... leukocytosis with a left shift ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup ... #Hematology