23 results
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
the Nikolsky sign ... the Nikolsky sign ... , the differential ... or Nikolsky sign ... #Differential
Diseases of the Biliary Tract
Asymptomatic gallstones - Asymptomatic
Symptomatic gallstones - Biliary pain
Cholesterolosis of gallbladder - Usually
Adenomyomatosis - May cause ... , fever, Murphy ... sign Chronic cholecystitis ... , jaundice, fever ... biliary #diseases #differential
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Ill-appearing, vital sign ... instability - New-onset fever ... sulfa-drug - Skin pain ... #Dermatology #Rash ... #Differential #
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... • CT: Halo sign ... factor • May cause ... ), anemia, arthralgia ... AIDS #pulmonary #differential
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
vomiting • Fatigue Signs ... • Low-grade fever ... Cortisol Deficiency: Signs ... Reduced libido • Signs ... endocrinology #diagnosis #signs
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Diagnosis Algorithm ... Red Flags: • Fever ... lesions • Severe pain
Modified dengue severity classification, PAHO/WHO
Dengue without warning signs - DNWS:
 • Person who lives or has
without warning signs ... days and presents fever ... Myalgia and arthralgia ... Dengue with warning signs ... the following signs
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... Episcleritis Signs ... (arthritis and arthralgia ... Causes: - Idiopathic
Biphasic Illness of Leptospirosis
Some patients do not progress to severe disease. Others, rapidly develop severe disease
-14 days): • Fever ... maculopapular rash ... • Others: nausea ... vomiting, abdominal pain ... Diagnosis #Illness #Signs
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
chest (in a V-sign ... shoulders (in a shawl sign ... Inverse Gottron’s sign ... Dermatomyositis • Fever ... • Arthralgia/arthritis