13 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
- Differential Diagnosis ... Shift: • Alkalosis ... K intake (anorexia ... #Algorithm #nephrology ... #low #potassium
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... Urine K+ <13 mEq ... creatinine) • Cell shift ... #algorithm #diagnosis ... #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... Algorithm Increased ... Transcellular Shift ... #Algorithm #causes ... #potassium #low
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... A urine K/Cr ratio ... #Hypokalemia #diagnosis ... #potassium #nephrology ... #low
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
Hypokalemia Diagnostic Algorithm
To assess potassium excretion: perform 24-hour urine collection or alternatively obtain potassium-to-creatinine ratio on
Hypokalemia Diagnostic ... Algorithm To assess ... perform 24-hour urine ... suggest renal K ... #nephrology #low
Salicylate Toxicity - Diagnosis and Management

Consider if:
1) Patient is hot and altered
2) You see tachypnea with
no respiratory cause ... Hearing loss, Dizziness ... Potassium, Low ... Resuscitation 2) Urine ... 4.5 mmol/L 4) K
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Algorithm Decreased ... isolation) GI loss - Urine ... Transcellular shift ... #Hypokalemia #Nephrology ... #Algorithm #Causes
Causes of Hyperkalemia - Intercellular Shift - Differential Diagnosis Algorithm
Transcellular Shift - Appropriate renal excretion (GFR,
Causes of Hyperkalemia ... , TTKG, distal flow ... Decreased Na+-K+ ... IntercellularShift #Nephrology ... #Algorithm #Causes
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Pragmatic diagnostic ... Na/Cl > 1.6, low ... K/creatinine (Cr ... correcting serum potassium ... #nephrology