6 results
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Diagnosis Algorithm ... • Excessive fist ... TTKG should be high ... #causes #potassium ... #high #pathophysiology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Clenching of fist ... phlebotomy High ... • Recent IV potassium ... differential #diagnosis #causes ... #potassium #high
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Clenching of fist ... phlebotomy High ... • Recent IV potassium ... differential #diagnosis #causes ... #potassium #high
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... complications such as arrhythmias ... treated with IV potassium ... wasting from other causes ... urinary losses: • High
Pseudohyperkalemia vs Reverse Hyperkalemia

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

Pseudohyperkalemia:
This
Hyperkalemia ... Causes: • Thrombocytosis ... tourniquet time, fist ... potassium is high ... Causes: • Seen
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Pragmatic diagnostic algorithm ... urine Na/Cl < 0.7, high ... disproportionately severe ... correcting serum potassium ... continued in most cases