9 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Thyrotoxicosis Medications ... Renal Losses ... Non-renal losses ... Diagnosis #Algorithm #nephrology ... #low #potassium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... • Recent IV potassium ... (Uncontrolled diabetes ... Medications 2. ... #high #nephrology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
diarrhea / IBD Renal ... Loses - Medications ... - Uncontrolled diabetes ... Differential #Diagnosis #Low ... #Magnesium #Table
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... • Recent IV potassium ... (Uncontrolled diabetes ... Medications 2. ... #high #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Agents Regulating Renal ... Loop Diuretics; High-Ceiling ... Excretion #Diuresis #Nephrology ... #Pharmacology #Medications ... #Table
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Etiology: • Medications ... Elimination (see Table ... STOP offending medications ... acidosis) • Low ... #nephrology #K
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
- Allergies to medications ... ASA class If high ... of Surgery: • High ... Orthopedic • Low ... Diabetes regimen
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
urine Na/Cl > 1.6, low ... urine Na/Cl < 0.7, high ... correcting serum potassium ... Other medications ... differential #algorithm #nephrology
Management of Convulsive Status Epilepticus in children
Stabilization Phase (Seizure 0-5 minutes):
 • Check and maintain ABC
• Give high flow ... Consider CBC, renal ... Alternative medications ... seizure #Management #neurology