29 results
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
= (urine magnesium ... x serum creatinine ... )/ [0.7 (serum magnesium ... differential #diagnosis #causes ... #nephrology #magnesium
Distribution of Magnesium in the Body
66% in Bones
33% in Muscles
1% in Serum
 • 60-70% Free (ionized)
Distribution of Magnesium ... Muscles 1% in Serum ... deniise_am #Magnesium ... Distribution #Mg #nephrology
Magnesium Absorption and Pathophysiology 
Magnesium Absorption: 
 • absorbed in the GIT — small intestine, Saturable
Magnesium Absorption ... Pathophysiology Magnesium ... tissue, 1% in serum ... % of filtered magnesium ... Mg #transport #nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
water retention 1) Serum ... Urine Sodium 4) Serum ... salt wasting By Rachel ... Diagnosis #Algorithm #nephrology
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Diagnosis Renal Causes ... hypomagnesemia Renal Causes ... differential #diagnosis #causes ... #nephrology #magnesium
Differentiation Between Nephrotic Syndrome and Nephritic Syndrome 
== Nephrotic Syndrome ==
Onset - Insidious 
Edema - ++++
Blood
Red blood cell casts ... - Absent Serum ... - Present Serum ... edgarvlermamd - Nephrology ... Comparison #Table #Nephrology
Electrolyte Repletion

Significant electrolyte depletion can result in serious complications. These guidelines are meant to assist with
Goal serum potassium ... 5.0 mEq/L Goal serum ... magnesium concentration ... mechanisms can all cause ... the underlying cause
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... free water loss, Serum ... Hypernatremia #Nephrology ... Diagnosis #Algorithm #Causes
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
ultrasonography, serum ... osmolarity If cause ... myoglobin • Myeloma: serum ... Differential #Diagnosis #nephrology ... #causes
Hypermagnesemia - Diagnosis and Management

Hypermagnesemia is a serum magnesium concentration > 2.6 mg/dL.
Symptoms include hyporeflexia, hypotension,
Hypermagnesemia is a serum ... magnesium concentration ... mortality in ICU Causes ... helpful in severe cases ... #nephrology