10 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... and Workup Step ... NORMAL PLASMA OSMOLALITY ... #Diagnosis #Workup ... #Algorithm #Nephrology
Diagnostic Approach to Hyponatremia
Box A:
 • Normo/hyperosmolar Hyponatremia: Glucose, Mannitol, Glycine, Contrast media, Maltose
 • Pseudohyponatremia:
Diagnostic Approach ... Box A: • Normo ... Primary Polydipsia, Low ... #Diagnosis #Algorithm ... #workup
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... Workup Algorithm ... • Euvolemic (Low ... #Workup #Algorithm ... #nephrology #sodium
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Algorithm Clinical ... , hypotension, hyponatremia ... insufficiency • Low ... or normal baseline ... #Algorithm #endocrinology
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Workup of Hypercalcemia ... Algorithm High ... or Normal PTH: ... #Algorithm #Workup ... #nephrology #PTH
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
TSH, Low normal ... • Low TSH, normal ... Hyperthyroidism: Work-up ... Hyperthyroidism #algorithm ... #diagnosis #endocrinology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
remember than the normal ... volume-based algorithm ... can be high or low ... #differential #diagnosis ... table #sodium #nephrology
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... Normal range 11.5% ... Low in bone marrow ... #Diagnosis #Workup ... #Hematology #Microcytic
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
CRP - Usually normal ... • Immunologic Workup ... in >90% - Low ... druginduced #lupus #sle #comparison ... #diagnosis #management
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Algorithm Polycythemia ... levels: realllly low ... exogenous, EPO levels: normal ... #Algorithm #workup ... #hematology