23 results
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
THE ALGORITHMIC APPROACH ... , the differential ... includes Kawasaki disease ... #Diagnosis #Dermatology ... #Differential
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... mountain spotted fever ... Vasculopathy #Purpura #Differential ... #Diagnosis #hematology ... #rheumatology #
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Overall Approach ... to Anemia - Differential ... Anemia of Chronic Disease ... Diagnosis #Algorithm #Causes ... #Hematology
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... Non-Infectious Causes ... falls (like a wave ... Brucellosis Faget's Sign ... #Patterns #Differential
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
(Morphological Approach ... chronic kidney disease ... morphologic #mcv #differential ... #diagnosis #causes ... #hematology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Approach to ECGs ... Equivalents / Don't Miss Signs ... bigger than QRS - deWinter ... triple vessel disease ... Interpretation #differential
Ascites - Diagnostic Approach and Differential Diagnosis
The most common causes: cirrhosis, malignancy and heart failure. Approx
Ascites - Diagnostic Approach ... The most common causes ... more than one cause ... dullness, puddle sign ... of underlying disease
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Malar rash 40% - Fever ... (aPL) 30-45% Differential ... sclerosis, Still's disease ... autoantibodies #signs ... #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Approach to Joint ... Pain - Arthritis Differential ... noninflammatory Signs ... weeks) Can Be Caused ... Diagnosis #MSK #rheumatology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
chest (in a V-sign ... Inverse Gottron’s sign ... Dermatomyositis • Fever ... severity of the disease ... Dermatomyositis #rheumatology