326 results
Hypercortisolism (Cushing syndrome) - Simplified Differential Diagnosis Algorithm
Exogenous (ACTH-independent)
Endogenous
 • ACTH-dependent:
    - ACTH-secreting
Differential Diagnosis Algorithm ... Exogenous (ACTH-independent ... ) Endogenous • ... Differential #Diagnosis #Algorithm
Fever - Pyrogen Pathophysiology

EXOGENOUS PYROGEN
 • Bacteria: Lipopolysaccharide components, peptidoglycans and muramyl peptide derivatives, Toxins
 •
Pathophysiology EXOGENOUS ... components Exogenous ... , IFN, IL-6 ENDOGENOUS ... vasculature via: • Active ... organs CNS - Endogenous
Hypoglycemia - Evaluation Algorithm
Interpreting Hypoglycemia Labs - the patient must be hypoglycemic at the time of
Hypoglycemia - Evaluation Algorithm ... Proinsulin - Is it endogenous ... → Exogenous Insulin ... Hypoglycemia #Evaluation #Algorithm
Staging of Skin Mottling

Mottling is less sensitive, but more specific for hypoperfusion and elevated mortality (figure
Mottling suggests active ... endogenous vasoconstriction ... not additional exogenous
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
Phosphate Load: • Exogenous ... Fosphenytoin • Endogenous ... Workup #phosphate #nephrology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Differential Diagnosis Algorithm ... • Azotemia • Exogenous ... Differential #Diagnosis #Algorithm ... #causes #nephrology
Thyroid Disorders - Differential Diagnosis Algorithm
Hypothyroidism:
 • Hasimoto’s
 • Radioactive Iodine 
 • Hypopituitarism
 • Iodine
Differential Diagnosis Algorithm ... Thyroiditis • Exogenous ... Differential #Diagnosis #Algorithm
Rigors And Bacteremia - Overview

• Rigors are a response to the release of cytokines and prostaglandins
PATHOPHYSIOLOGY: → Exogenous ... pro-inflammatroy mediators (Endogenous ... Pyrogen) → Endogenous ... vasculature via: • Active ... circumventricular organs CNS: Endogenous
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Differential Diagnosis Algorithm ... Pseudo-hyperaldosteronism: exogenous ... differential #diagnosis #algorithm ... #causes #nephrology
An Algorithm for the Management of Seizures

The management of active seizures is algorithmic, starting with a
An Algorithm for ... management of active ... seizures is algorithmic ... detailed in the algorithm ... Management #Emergency #Neurology