43 results
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
• Rickettsial diseases ... • Crohn disease ... • Behcet disease ... Non-Infectious Causes ... Brucellosis Faget's Sign
Acute Rheumatic Fever: Pathogenesis and Clinical Findings

Delayed autoimmune reaction
-> Molecular mimicry
-> GAS antigen cross-reacts with host
->
Acute Rheumatic Fever ... inflammation • Fever ... • Arthralgia ... Pancarditis and valvular ... pathophysiology #diagnosis #signs
Lyme Disease: Early and Late Clinical manifestations
Stage 1. Localized
 • EM appears 7-14 days at the
Lyme Disease: Early ... Fatigue, myalgia, arthralgia ... , headache, fever ... • Heralded by neurologic ... #diagnosis #signs
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
Erythematous Rashes - THE ALGORITHMIC ... the Nikolsky sign ... the Nikolsky sign ... includes Kawasaki disease ... Erythematous #Rash #Algorithm
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Differential Diagnosis Algorithm ... • Meniere's Disease ... symptoms/signs, ... Glomus Tumors - Vascular ... #Causes
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
vomiting • Fatigue Signs ... • Low-grade fever ... Back pain • Arthralgia ... Cortisol Deficiency: Signs ... Reduced libido • Signs
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
Clinical: • Disease ... Constitutional: Fever ... exertion • Neurologic ... Diagnosis #Symptoms #Signs
Diseases of the Biliary Tract
Asymptomatic gallstones - Asymptomatic
Symptomatic gallstones - Biliary pain
Cholesterolosis of gallbladder - Usually
Diseases of the ... , vomiting, fever ... , Murphy sign Chronic ... pain, jaundice, fever ... pancreatitis #biliary #diseases
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Differential Diagnosis Algorithm ... • Meningeal signs ... Systemic symptoms and signs ... (e.g., fever, myalgia ... #neurology #PHANTOMS
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework Disease ... angioinvasive disease ... • CT: Halo sign ... factor • May cause ... ), anemia, arthralgia