9 results
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential ... water loss, Serum Sodium ... diuresis (see Polyuria ... mannitol, glucosuria Low ... Hypernatremia #Nephrology
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Causes of Polyuria ... - Differential ... • Central Dl (Low ... Diagnosis #Causes ... #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... volume-based algorithm Urine ... #Hyponatremia #differential ... #diagnosis #table ... #sodium #nephrology
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... nephron - TTKG > 7, Urine ... EABV (e.g., CHF ... IntercellularShift #Nephrology ... #Causes
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
alkalosis • Normal/low ... the indicated causes ... #Algorithm #nephrology ... #differential # ... diagnosis
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia - Diagnosis ... Measure urine osmolality ... include vaptans (HF ... #management #nephrology ... #sodium
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Hyponatremia - Differential ... Alcohol MH/CCF ... #Algorithm #diagnosis ... #causes #nephrology ... #sodium #low
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Na delivery): CHF ... tourniquet / IVF line draw ... lysis) ± Urine ... Elimination (see Table ... acidosis) • Low
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
mental status and low ... urine output. ... the determined cause ... #diagnosis #differential ... #heartfailure #chf