69 results
Diagnostic Approach to Hyponatremia
Box A:
 • Normo/hyperosmolar Hyponatremia: Glucose, Mannitol, Glycine, Contrast media, Maltose
 • Pseudohyponatremia:
Hyponatremia: Glucose, Mannitol ... Primary Polydipsia, Low ... Hyponatremia #Diagnosis #Algorithm ... #workup
Summary of Diuretic Agents 
Subclass, Drug, Mechanism of Action, Effects, Clinical Applications, Pharmacokinetics, Toxicities, Interaction
CARBONIC ANHYDRASE
empagliflozin LOOP ... DIURETICS • Mannitol ... Pharmacology #summary #table
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Diagnosis and Workup ... hyperglycemia • mannitol ... Hypernatremia #Diagnosis #Workup ... #Algorithm #Nephrology
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... Differential Diagnosis Algorithm ... • Low Magnesium ... #Hypocalcemia #Workup ... Differential #Diagnosis #Algorithm
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Workup of Hypercalcemia ... Differential Diagnosis Algorithm ... Hypercalcemia Low ... PTHrP: - Low ... #Workup #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Normal Acid-Base: Low ... • HTN Absent: Loop ... Differential #Diagnosis #Algorithm ... causes #potassium #low
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Medications - Loop ... Differential #Diagnosis #Low ... #Magnesium #Table ... Classification #Causes #Workup
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia Algorithm ... Hyperglycemia, Mannitol ... Primary polydipsia, Low ... #Hyponatremia #Algorithm
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism (low ... ) - Diagnostic Algorithm ... affects diagnostic workup ... Hyperthyroid #Diagnosis #Algorithm ... #Workup #Endocrinology
Increased Urination - Differential Diagnosis Framework - Increased Volume / Frequency
 • Increased osmotic load (Increased
load (Na, urea, mannitol ... urine (usually low ... kidney disease, Loop ... Increased intake (low