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Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Regions - Frequent Differential ... Cardinal Symptoms ... localizing signs ... or symptoms - Malaria ... Returning #Traveler #differential
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... disease • Behcet's syndrome ... • Hyper-IgD syndrome ... Brucellosis Faget's Sign ... #Patterns #Differential
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
of Acute Onset Fever ... - Differential ... Neuroleptic malignant syndrome ... disease • Drug fever ... #Fever #Acute
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
papilledema • Horner syndrome ... ) • Systemic symptoms ... , fever, myalgia ... lesion • CNS infection ... #neurology #PHANTOMS
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
or absence of fever ... If fever is present ... disease, scarlet fever ... but without a fever ... Nikolsky #Febrile #Fever
Pediatric Inflammatory Multisystem Syndrome Temporally associated with SARS-CoV-2 infection (PIMS-TS)
Clinical features
all: fever > 101.3 F
most: oxygen
Inflammatory Multisystem Syndrome ... with SARS-CoV-2 infection ... features all: fever ... coronavirus #diagnosis #Signs ... #Symptoms
NINDS Diagnostic Criteria for Guillain Barre Syndrome 
Features Required for Guillain-Barré Syndrome:
 • Progressive muscle weakness
, Mild sensory symptoms ... or signs, Cranial ... dysfunction, Absence of fever ... Recent diphtheritic infection ... diagnosis #criteria #neurology
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Pericardial Effusion - Differential ... Diagnosis Infectious ... , Candida Non-Infectious ... : • Rheumatologic ... Mediterranean Fever
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Dizziness - Vertigo - Differential ... Diagnosis Algorithm ... symptoms/signs, ... nystagmus - Infection ... #Differential #
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
Reconstitution Inflammatory Syndrome ... symptoms, fever ... ) • Headache, fever ... Meningitis: • Fever ... Tuberculosis #diagnosis #differential