50 results
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
and Features of Hyponatremia ... Hypervolemic hypernatremia ... Glucocorticoid deficit - Hypokalemia ... Drugs - SIADH Renal ... hypovolemic hyponatremia
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... mmol/L - true hyponatremia ... HYPOVOLEMIC • extra-renal ... - fevers • renal ... failure #Hypernatremia
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... > 20: • Renal ... Bicarbonaturia with renal ... Acute or chronic renal ... Cardiac failure #Hyponatremia
Evaluation and Management of Hyperkalemia

As with hypokalemia, the immediate danger of hyperkalemia is its effect on
Management of Hyperkalemia ... As with hypokalemia ... efforts should focus ... with underlying renal ... #Evaluation #Algorithm
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Medications Renal ... Losses Non-renal ... MatthewHoMD #Hypokalemia ... #nephrology #low
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis ... EABV) - Consider: Hypovolemia ... solute intake, Renal ... @NephroMD #hyponatremia ... #causes #nephrology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... renal potassium ... excretion • Acute renal ... • Type 1 #Hyperkalemia ... #nephrology #potassium
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Malignancy True hypovolemia ... GI losses • Renal ... Hypothyroidism • Adrenal ... osmole intake #Hyponatremia
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Malignancy True hypovolemia ... GI losses • Renal ... Hypothyroidism • Adrenal ... osmole intake #Hyponatremia
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Etiologies of Hypernatremia ... - Chronic hypokalemia ... - Various renal ... diseases (e.g. renal ... DrEricStrong #Hypernatremia