11 results
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Urine K+ <13 mEq ... Urine Cl - Loop ... #urine #potassium ... differential #algorithm #diagnosis ... #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
A urine K/Cr ratio ... • Diarrhea A urine ... urinary losses: • High ... #diagnosis #Algorithm ... #nephrology #low
Positive Lachman's Test

The Lachman test is a clinical test used to diagnose injury of the anterior
used to diagnose ... injury of the anterior ... to the anterior drawer ... The knee is flexed ... the patient's thigh
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... phlebotomy High ... • Trauma/Crush injury ... #causes #potassium ... #high #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... phlebotomy High ... • Trauma/Crush injury ... • Recent IV potassium ... #high #nephrology
Demonstration of the Lachman Test for assess for ACL Injury - Normal Exam

Demonstration by Dan Smith,
Injury - Normal ... used to diagnose ... to the anterior drawer ... The knee is flexed ... the patient's thigh
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... , rhabdo/crush injury ... lysis) ± Urine ... Cortisol+ACTH stim test ... #nephrology #K
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
urine Cl; • ... Na/Cl < 0.7, high ... K/creatinine (Cr ... correcting serum potassium ... #algorithm #nephrology
Causes of Hyperkalemia - Differential Diagnosis Framework
 • Cellular Shift:
   - Exercise
to Aldosterone: K ... production: TLS, Crush injury ... : Blood draw error ... #Causes #potassium ... #high
Pseudohyperkalemia vs Reverse Hyperkalemia

Pseudohyperkalemia and reverse pseudohyperkalemia are both conditions where potassium levels appear falsely elevated.

Pseudohyperkalemia:
This
after blood is drawn ... Pseudohyperkalemia: A rarer ... K+, consider pseudohyperkalemia ... #Potassium #Nephrology ... #Diagnosis