20 results
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
cells FEMg >4% = renal ... if renal function ... differential #diagnosis #causes ... #nephrology #magnesium ... #low
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Differential Diagnosis Renal ... hypomagnesemia Renal ... Hypercalcemia, Post renal ... #nephrology #magnesium ... #low
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Algorithm Extra-renal ... • Metabolic acidosis ... loss (Diarrhea) Renal ... Diagnosis #Algorithm #causes ... #nephrology
Types of Renal Calculi

Calcium oxalate
 - Interstitial apatite plaque, Low urine volume, Increased urinary calcium excretion,
Types of Renal Calculi ... Hypercalcemia, Renal ... Hyperuricemia, Renal ... Calculi #Types #Renal ... differential #diagnosis #causes
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
potassium(K) & magnesium ... suggests extra-renal ... - Metabolic acidosis ... differential #potassium #nephrology ... #low
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
contribution of liver or renal ... - regional ischemia ... LV failure - Low ... deficiency - Renal ... lactate production Renal
Lactated Ringers (LR) vs Normal Saline (NS) - Comparison

Composition of LR:
 • Sodium 130 mEq/L
 •
filtration - Renal ... stretch - decreased renal ... renal tissue perfusion ... Instability: - Renal ... NS #comparison #pharmacology
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... steatorrhea) • Renal ... Tubulointerstitial renal ... differential #diagnosis #nephrology ... #magnesium #low
Causes of Non-Gap Metabolic Acidosis - Differential Diagnosis Algorithm
Normal Anion Gap (<14) (Loss of Bicarbonate) -
Causes of Non-Gap ... Metabolic Acidosis ... Diarrhea • Fistula Renal ... Cell Problem - Low ... MetabolicAcidosis #NonGap #Nephrology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
post-hypothermia • ↓ Renal ... Excretion: - Renal ... 15 suggests ↓ renal ... only if no clear cause ... ) • Low K diet