3276 results
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Defining the cause ... • Skin and/or ... Pseudo-hyperaldosteronism: exogenous ... diagnosis #algorithm #causes
Staging of Skin Mottling

Mottling is less sensitive, but more specific for hypoperfusion and elevated mortality (figure
Staging of Skin ... suggests active endogenous ... not additional exogenous ... S0168827814007417 #Skin
Fever - Pyrogen Pathophysiology

EXOGENOUS PYROGEN
 • Bacteria: Lipopolysaccharide components, peptidoglycans and muramyl peptide derivatives, Toxins
 •
Pathophysiology EXOGENOUS ... components Exogenous ... proinflammatory mediators (endogenous ... , IFN, IL-6 ENDOGENOUS ... organs CNS - Endogenous
Hypercortisolism (Cushing syndrome) - Simplified Differential Diagnosis Algorithm
Exogenous (ACTH-independent)
Endogenous
 • ACTH-dependent:
    - ACTH-secreting
Diagnosis Algorithm Exogenous ... ACTH-independent) Endogenous
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
Common bacteria (endogenous ... Staphylococci (skin ... Common bacteria (endogenous ... Staphylococci (skin ... differential #diagnosis #causes
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
Allergic Contact Dermatitis 
- Erythematous, indurated, scaly plaques 
- T-cell mediated, delayed-type hypersensitivity response to exogenous
hypersensitivity response to exogenous ... Dermatology #Rash #Skin
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
Amenorrhea - Differential Diagnosis Algorithm
Elevated FSH
 • Premature Ovarian Failure
 • Menopa use
 • Spontaneous
Bleed With
Diabetes Mellitus • Exogenous ... Hyperprolactinemia Organic Cause ... endocrinology #causes