20 results
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
CNS: parietal ... (Many causes!) ... • Infection (e.g ... Brain lesions (e.g ... Wonderland #Syndrome #diagnosis
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Malignancy (e.g ... pathology (e.g. ... Pulmonary pathology (e.g ... exacerbation) - Drugs (e.g ... #Table #Causes
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Infiltrative disorders (e.g ... Malignancy - CNS ... - Medications (e.g ... renal diseases (e.g ... #Table #Causes
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
• Reactive (e.g ... Enteropathic (e.g ... Enteropathic (e.g ... #Algorithm #Orthopedics ... #Causes
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Blood Cell (RBC) Morphology ... Chemotherapy (e.g ... #differential #diagnosis ... #hematology #microscopy ... #atlas #nomenclature
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... CastsHyaline ... colored compounds (e.g ... #Urine #Microscopy ... interpretation #diagnosis
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
- Differential Diagnosis ... Disease - Skull/spine ... Malignancy • Drugs (e.g ... #Algorithm #Orthopedics ... #Causes
Subtrochanteric Femur Fracture: Pathogenesis and clinical findings
 • Subtrochanteric region spans 5 cm distally from the
fractures in elderly Causes ... to the femur ( e.g ... remodeling -> Microscopic ... Fractures #msk #orthopedics ... #diagnosis #differential
Orthopedic Essentials - Spinal Trauma and Spine Classification 
DENIS THREE COLUMN CONCEPT
Anterior column:
Orthopedic Essentials ... fractures: Don't cause ... Severity Score Morphology ... Classification #Orthopedics ... #diagnosis #localization
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
- Differential Diagnosis ... spondyloarthritis (e.g ... spondyloarthritis (e.g ... #causes #primarycare ... #table