3082 results
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... ectopic ACTH) • Exogenous ... dehydrogenase activity ... loop diuretics actively ... Differential #Diagnosis #Causes
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
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
Hypercortisolism (Cushing syndrome) - Simplified Differential Diagnosis Algorithm
Exogenous (ACTH-independent)
Endogenous
 • ACTH-dependent:
    - ACTH-secreting
Diagnosis Algorithm Exogenous ... ACTH-independent) Endogenous
Headache Differential - Primary vs Secondary
A vast number of diseases can cause a headache. We divide
of diseases can cause ... headaches are caused ... by various exogenous
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
Hypoglycemia - Evaluation Algorithm
Interpreting Hypoglycemia Labs - the patient must be hypoglycemic at the time of
Proinsulin - Is it endogenous ... → Exogenous Insulin
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
Phosphate Load: • Exogenous ... Fosphenytoin • Endogenous
Polyuria - Differential Diagnosis
Solute Diuresis
 • Na intake/saline
 • Glucosuria: Hyperglycemia, SGLT-2 inhibitors
 • Urea: Exogenous
inhibitors • Urea: Exogenous ... Differential #Diagnosis #Causes
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Defining the cause ... Pseudo-hyperaldosteronism: exogenous ... diagnosis #algorithm #causes