13 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis Workup ... Algorithm 1) ... mechanism 2) Volume Status ... , Cushing syndrome ... #Algorithm #nephrology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
and Workup Step ... Assess volume status ... volume loss - diuretics ... • nephrotic syndrome ... #Algorithm #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... Differential Diagnosis Algorithm ... Renal losses, Diuretic ... Ketonuria, Osmotic diuresis ... #Causes #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Differential Diagnosis Algorithm ... starts by measuring ... Post-hypercapnia • Diuretics ... differential #diagnosis #algorithm ... #causes #nephrology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
/crush injury, ischemia ... reabsorption) Workup ... Optimize volume status ... ileus/obstruction (ischemia ... #potassium #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Approach to Hypotonic Hyponatremia ... normal volume-based algorithm ... : Hypovolemia, Hypervolemia ... Cirrhosis, Nephrotic syndrome ... table #sodium #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Hyponatremia ... • Hypercalcemia ... Tolvaptan) • Treatment ... and euvolemic hyponatremia ... #Nephrology #Pharmacology
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Toxins - Drugs - Statins ... Hyperuricemia • Hyponatremia ... perfusion → renal ischemia ... Loop diuretics for ... #nephrology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
attention to volume status ... 3 questions to work ... Assess volume status ... demyelination syndrome ... #management #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• K sparing diuretics ... - Tumor lysis syndrome ... burns, trauma - Ischemic ... - Hyperosmolar states ... potassium #high #nephrology