24 results
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 ... consumption • Low ... #nephrology #low
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
patients with hypokalemia ... the basis of the potassium-to-creatinine ... • Cell shift: Hypokalemic ... #urine #potassium ... algorithm #diagnosis #nephrology
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... lysis syndrome • Metabolic ... glycosides • High acute ... blockers - MCW Nephrology ... Differential #Diagnosis #Causes
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Renovascular HTN, Renin ... Diagnosis #Algorithm #causes ... #potassium #low ... #nephrology
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 ... renovascular HT, Renin-secreting ... #nephrology #potassium
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... renovascular HT, Renin-secreting ... Gitelman's syndrome #Hypokalemia ... Diagnosis #Algorithm #nephrology ... #causes #low #potassium
Hyperkalemia - Differential Diagnosis Framework

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

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
only if no clear cause ... acidosis) • Low ... Calcium 2-3g IV Ca-gluconate ... #Treatment #potassium ... #nephrology #K
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Recent IV potassium ... infusions) - Metabolic ... differential #diagnosis #causes ... #potassium #high ... #nephrology
Salicylate Toxicity - Diagnosis and Management

Consider if:
1) Patient is hot and altered
2) You see tachypnea with
no respiratory cause ... 5) History of acute ... High Lactate, Low ... Potassium, Low ... 4.5 mmol/L 4) K