90 results
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemic periodic paralysis ... Diagnosis #Low #Potassium ... #Table #Classification ... #Causes
Thyrotoxic Periodic Paralysis - Illness Script
 • Epidemiology: Asian men age 20-30 with hyperthyroidism of any
Thyrotoxic Periodic Paralysis ... fT4 or high T3 ... • Treatment: Potassium ... hyperthyroidism, Potassium ... Thyrotoxic #Periodic #Paralysis
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
arrhythmias and paralysis ... treated with IV potassium ... wasting from other causes ... suggests extra-renal causes ... urinary losses: • High
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... • Recent IV potassium ... Hyperkalemia Periodic paralysis ... differential #diagnosis #causes ... #potassium #high
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
TTKG should be high ... Diagnosis #Algorithm #causes ... #potassium #high
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
the basis of the potassium-to-creatinine ... Hypokalemic periodic paralysis ... mmol creatinine) High ... Low-normal EABV, High ... hypokalemia #urine #potassium
Causes of Metabolic Alkalosis - Differential Diagnosis
Chloride depletion syndromes
 • Gastrointestinal losses
    -
Causes of Metabolic ... chloridorrhea - High-volume ... administration Other causes ... syndrome • Severe potassium ... depletion (serum potassium
Etiologies of Hypoaldosteronism

Hyporeninemic Hypoaldosteronism (Low Renin, Low Aldosterone)
 - Diabetic Nephropathy 
 - NSAIDs
Non-Hyporeninemic Hypoaldosteronism (Normal
Hypoaldosteronism (Normal or High ... Resistance (Normal or High ... Renin, Normal or High ... Aldosterone #Comparison #Table ... #Causes
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Syndrome • HTN, High ... Diagnosis #Algorithm #causes ... #potassium #low
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... • Recent IV potassium ... Hyperkalemia Periodic paralysis ... differential #diagnosis #causes ... #potassium #high