58 results
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
(4%), Radius & Ulnar ... (2%), Radius & Ulna ... adduction) OK Sign ... UpperExtremities #diagnosis ... #neurology
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
yrs old; F>M Signs ... palpation - Vasculitic ... Temporal #Arteritis #Pathophysiology ... #Diagnosis #Signs ... #Symptoms #Vasculitis
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
- Differential Diagnosis ... Carpal Tunnel • Ulnar ... Multiplex: • Vasculitis ... Weakness #Sensory #Neurology ... #Differential #Diagnosis
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura - Diagnostic ... Pathophysiology: ... trauma, infection, vasculitis ... commonly renal and pulmonary ... #Diagnosis #
Systemic Lupus Erythematosus: Gastrointestinal Manifestations
 - Thrombosis of vessels in the pancreas, Vasculitis -> Acute Pancreatitis
the pancreas, Vasculitis ... Complications #pathophysiology ... #signs #symptoms ... #diagnosis
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... ANCA-positive vasculitis ... ANCA-negative vasculitis ... #differential #diagnosis ... #nephrology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... progressing GN • New pulmonary ... Differential Diagnosis ... purpura: strong sign ... differential #diagnosis
Rheumatoid Arthritis Summary
MCP and PIP Involvement, Spares DIP, Carpal Tunnel, Sicca Syndrome, Epi/Scleritis, Heart Disease, Rheumatoid
Disease, Rheumatoid Vasculitis ... Rheumatoid Nodules, Pulmonary ... Arthritis #RA #diagnosis ... #rheumatology #signs
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Differential Diagnosis ... purpura: Strong sign ... affects the skin, neurologic ... cognitive impairment, neurologic
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
polyarthritis • Pulmonary ... exertion • Neurologic ... #Sarcoidosis #Diagnosis ... #Symptoms #Signs ... #Pulmonary