16 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... and Workup Step ... Repeat the sodium ... #Workup #Algorithm ... #Nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
- Differential Diagnosis ... Workup Algorithm ... mOsm/kg - Implies renal ... , Ingestion Renal ... #nephrology #sodium
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
- Differential Diagnosis ... tubal acidosis and metabolic ... inappropriate antidiuretic hormone ... #Differential #Diagnosis ... Algorithm #Causes #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Metabolic alkalosis ... Renal artery stenosis ... Differential #Algorithm #Diagnosis ... #Causes #Workup ... #Nephrology
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
overdose) - Sodium ... pump inhibitor - Renal ... hypomagnesemia #Medications ... #differential #diagnosis ... #nephrology #Causes
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
- Differential Diagnosis ... Framework and Workup ... NonAnionGap #Acidosis #Metabolic ... #Differential #Diagnosis ... #Workup #nephrology
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Red cell casts - Diagnostic ... crystals may indicate metabolic ... disorders or excreted medications ... Microscopy #Atlas #key #diagnosis ... #nephrology #casts
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... and Differential Diagnosis ... hypokalemia and metabolic ... bruit or signs of hormonal ... #indications
Gitelman Syndrome - Diagnosis and Workup
Blood Work:
 - Hypokalemia
 - Hypomagnesemia
 - Metabolic Alkalosis
 - Elevated
Gitelman Syndrome - Diagnosis ... and Workup Blood ... Work: - Hypokalemia ... Hypomagnesemia - Metabolic ... #Workup #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Differential Diagnosis ... infusions) - Metabolic ... Medications 2. ... #differential #diagnosis ... potassium #high #nephrology