15 results
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Pressure (“Decr Effective ... - Cirrhosis Syndrome ... - Malignancy (e.g ... Differential #Diagnosis #Table ... #Causes #Sodium
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Disorders: • Infection ... Tuberculosis: can cause ... Risk factors for BAH ... PRA • ↓ Serum sodium ... Administer 250 mcg
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
papilledema • Horner syndrome ... lyme • Altered mental ... • Meningeal signs ... lesion • CNS infection ... Diagnosis #Algorithm #neurology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... : SIADH, Renal Sodium ... Cirrhosis, Nephrotic syndrome ... differential #diagnosis #table ... #sodium #nephrology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
with previously stable ... hypertension and signs ... heart failure, neurologic ... renal bruit or signs ... Neurologic disorders
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
Differentiating NBTE from Infective ... pathognomonic signs ... : Serial negative ... in up to 30% of cases ... Marantic #diagnosis #table
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Pulmonary Renal Syndromes ... , r/o infection ... recent DAN) • EMG ... Goodpasture's cause ... blood retum in serial
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes ... of sinus or ear infection ... parasitic or fungal infection ... vasoconstriction syndrome ... headache #redflags #signs
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... Preeclampsia, Eclampsia, Infection ... Diagnosis: • Infection ... the underlying cause ... with AEDs until cause
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
requires special media ... but important causes ... factors: - Serology ... antiphospholipid syndrome ... special stains (e.g