17 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... and Workup Step ... volume loss - diarrhea ... #Diagnosis #Workup ... #Algorithm #Nephrology
Diagnostic Approach to Hyponatremia
Box A:
 • Normo/hyperosmolar Hyponatremia: Glucose, Mannitol, Glycine, Contrast media, Maltose
 • Pseudohyponatremia:
Diagnostic Approach to Hyponatremia ... Osmoles: Urea, Alcohol ... Primary Polydipsia, Low ... #Diagnosis #Algorithm ... #workup
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Differential Diagnosis Algorithm ... Osmotic diuresis (see ... mannitol, glucosuria Low ... loss • Watery Diarrhea ... Differential #Diagnosis #Algorithm
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis Workup ... Algorithm 1) ... • Euvolemic (Low ... Differential #Diagnosis #Workup ... #Algorithm #nephrology
Algorithm for the Evaluation of Acute Diarrhea (< 7 days)
Are the following present?
   1.
Algorithm for the ... Evaluation of Acute Diarrhea ... Ova and parasite ... #management #algorithm ... #workup #diagnosis
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Diarrhea Workup ... and Management Algorithm ... Ova and Parasite ... #Workup #Management ... #Algorithm #Transplant
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism (low ... ) - Diagnostic Algorithm ... affects diagnostic workup ... management options (see ... #Workup #Endocrinology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
losses - Chronic diarrhea ... dysfunction - Alcohol ... Differential #Diagnosis #Low ... Classification #Causes #Workup
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Algorithm Isotonic ... Nephropathies, Vomiting, Diarrhea ... Methanol, Isopropyl Alcohol ... #Differential #Algorithm ... nephrology #sodium #low
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Differential Diagnosis Algorithm ... Appropriately Low ... Absorption: Chronic Diarrhea ... Differential #Diagnosis #Algorithm ... nephrology #phosphorus #workup