286 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... Hypernatremia: • Hypovolemic ... access to H2O • Hypervolemic ... Hypernatremia: • Hypovolemic ... Diagnosis #Workup #Algorithm
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Hyponatremia Differential Algorithm ... uric acid high in hypovolemic ... and hypervolemic ... #Differential #Algorithm
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Differential Diagnosis Algorithm ... Hypovolemic - Give ... volume Hypervolemic ... Stress, Nausea, Pulmonary ... Differential #Diagnosis #Algorithm
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Differential Diagnosis Algorithm ... Dependent: • Hypovolemic ... • Hypervolemic ... Differential #Diagnosis #Algorithm
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
#Hyponatremia #Hypovolemic ... #Euvolemic #Hypervolemic ... #Differential #Algorithm
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
HYPOVOLEMIC • ... psychogenic polydipsia HYPERVOLEMIC ... Diagnosis #Workup #Algorithm
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
to Hyponatremia Hypovolemic ... Primary polydipsia Hypervolemic ... #Hyponatremia #algorithm
Hypotension / Shock Differential Diagnosis Algorithm
Hypovolemic:
 • Poor oral intake
 • Hemorrhage
 • Renal loss
 •
Differential Diagnosis Algorithm ... Hypovolemic: ... valvulopathy • Pulmonary ... obstruction • Pulmonary ... Differential #Diagnosis #Algorithm
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Exudative Effusion:
 - Pulmonary
     •
Differential Diagnosis Algorithm ... Effusion: - Pulmonary ... , SLE) • Pulmonary ... Renal Failure with Hypervolemia ... Differential #Diagnosis #Algorithm
Shock - Differential Diagnosis Algorithm
Warm Extremities
 - Distributive Shock - Low JVP
Differential Diagnosis Algorithm ... Sounds • Pulmonary ... Tamponade - Hypovolemic ... Differential #Diagnosis #Algorithm