17 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypercalcemia - Hypokalemia ... #Differential # ... Diagnosis #Low # ... Magnesium #Table ... Causes #Workup #hypomg
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Differential Diagnosis ... and Gitelman syndrome ... with secondary, hypocalcemia ... diagnosis #causes #nephrology ... #magnesium #low
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
patients with hypokalemia ... • Cell shift: Hypokalemic ... #hypokalemia ... #differential # ... algorithm #diagnosis #nephrology
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
Hypokalemia ... renal Fanconi syndrome ... #Medications #differential ... #diagnosis #nephrology ... #Causes #hypomg
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Hyperreflexia: • Hypocalcemia ... , Hypomagnesemia ... Testing #Causes #differential ... #diagnosis #table ... #neurology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
A urine K/Cr ratio ... • Diarrhea A urine ... diagnosis #Algorithm #differential ... #potassium #nephrology ... #low
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Hyponatremia - Differential ... Malignancy True hypovolemia ... • Pregnancy Hypo-osmolar ... urine - Uosm < ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Hyponatremia - Differential ... Malignancy True hypovolemia ... • Pregnancy Hypo-osmolar ... urine - Uosm < ... #Hyponatremia #Nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Causes of Hypokalemia ... - Differential ... isolation) GI loss - Urine ... #Hypokalemia ... #Nephrology #Differential
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
, mild hypomagnesemia ... alkalosis • Normal or low ... Hypocalciuria (spot urine ... ratio 0.5%) Differential ... #diagnosis #nephrology