11 results
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... especially thiazide diuretics ... ) With edema ... • Reduced GFR, AKI ... #Diagnosis #Algorithm
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... especially thiazide diuretics ... ) With edema ... • Reduced GFR, AKI ... #Diagnosis #Algorithm
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
onset (acute vs. chronic ... symptoms (HA, nausea ... volume status (edema ... #EM #IM #Nephro ... #Differential #Algorithm
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... - Differential Diagnosis ... : • Acute or chronic ... #Algorithm #Causes ... #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
disequilibrium syndrome • Diagnosis ... nephrotic syndrome • Hyponatremia ... Kidney stones caused ... and euvolemic hyponatremia ... #Nephrology #Pharmacology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... , Post-AKI diuresis ... #differential #diagnosis ... table #sodium #nephrology
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
• Hypovolemia: Diuretics ... Nephrotic Syndrome, Chronic ... MH/CCF/CWRU EM ... #diagnosis #causes ... #nephrology #sodium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
transfusion • HTN and edema ... • K sparing diuretics ... • NSAIDs • ... #causes #potassium ... #high #nephrology
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Creatinine • Chronic ... renal failure • AKI ... antagonism • NSAlDs ... IntercellularShift #Nephrology ... #Algorithm #Causes
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
K+, ACEi/ARBs, NSAIDs ... , RTA Type IV, AI ... only if no clear cause ... caution in HTN & edema ... Treatment #potassium #nephrology