35 results
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... • Drugs • Pulmonary ... Hypothyroidism • Adrenal ... Hypo-osmolar urine ... #Algorithm #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... • Drugs • Pulmonary ... Hypothyroidism • Adrenal ... Hypo-osmolar urine ... #Algorithm #Causes
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
: • Lung cancer ... Serum DHEAS Diagnosis ... skin might be a clue ... endocrinology #diagnosis ... #signs #symptoms
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Diagnosis by Mechanism ... carcinoma of the lung ... hemorrhage) - Pulmonary ... Hypothyroidism - Adrenal ... #Table #Causes
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
Differential Diagnosis ... 2) Presence of symptoms ... (HA, nausea, confusion ... cardiac, liver, renal ... #Differential #Algorithm
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup and Diagnosis ... Algorithm • Confirm ... nephrolithiasis • Symptoms ... Nephrology for renal ... Nephrology if cause
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Injury - AKI Workup Algorithm ... and Differential Diagnosis ... osmolarity If cause ... clinical context and signs ... #nephrology #causes
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 ... Urine Na+K / serum ... Hypothyroidism, Adrenal ... #differential #diagnosis
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Pulmonary Renal ... : UA, Urine protein ... or serologies + symptoms ... Goodpasture's cause ... sparing of the lung
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Bilateral B-Lines in case ... PNA according to Blue ... sliding: Pulmonary ... partially seen shred sign ... NOT definitively diagnose