8 results
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... 2-2.5% or 24h Urine ... Diuretics • Hypercalcemia-PTH ... -1beta, cyclin M2 ... Hypomagnesemia #Magnesium
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
- Uncontrolled diabetes ... #Differential #Diagnosis ... #Low #Magnesium ... #Table #Classification ... #Causes #Workup
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... Poorly controlled DM ... (Uncontrolled diabetes ... Food - Avoid in CRF ... #causes #potassium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... Poorly controlled DM ... (Uncontrolled diabetes ... Food - Avoid in CRF ... #causes #potassium
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... - Differential Diagnosis ... nephron - TTKG > 7, Urine ... Low EABV (e.g., CHF ... Aldosterone • Diabetic
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... Na delivery): CHF ... lysis) ± Urine ... only if no clear cause ... Elimination (see Table
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
disequilibrium syndrome • Diagnosis ... Hyponatremia • Hypercalcemia ... Kidney stones caused ... Diuresis #Nephrology #Pharmacology ... #Medications #Table
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
status and low urine ... the determined cause ... #heartfailure #chf ... #criticalcare # ... icu #clinical #pharmacology