11 results
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Defining the cause ... measuring urinary K ... loss • Renal K ... #nephrology #potassium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Burns • Trauma/Crush ... • Recent IV potassium ... differential #diagnosis #causes ... #potassium #high ... #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... wasting from other causes ... suggests extra-renal causes ... #differential #potassium ... #nephrology #low
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Burns • Trauma/Crush ... • Recent IV potassium ... differential #diagnosis #causes ... #potassium #high ... #nephrology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Lysis (TLS, rhabdo/crush ... tourniquet / IVF line draw ... only if no clear cause ... Management #Treatment #potassium ... #nephrology #K
Diuretics - Pharmacology

Thiazides diuretics:
 • Inhibit Na+ Cl- cotransporter in distal tubule
 • Chlorothiazide, Chlorthalidone, Indapamide,
• Inhibit Na+K+ ... Piretanide Potassium ... #Pharmacology #nephrology ... loop #thiazide #classes
Causes of Hyperkalemia - Differential Diagnosis Framework
 • Cellular Shift:
   - Exercise
Causes of Hyperkalemia ... to Aldosterone: K ... production: TLS, Crush ... hyperkalemia: Blood draw ... #potassium #high
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Management Summary Causes ... Immobilization - Crush ... Monitor potassium ... Diagnosis #Management #causes ... #treatment #nephrology
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
improvement in the rash ... other potential causes ... the condition, case ... HZO #clinical #video ... #physicalexam #neurology
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Tubulopathy: urine K/ ... correcting serum potassium ... continued in most cases ... differential #algorithm #nephrology