93 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... ) • Systemic symptoms ... and signs (e.g. ... , fever, myalgia ... Diagnosis #Algorithm #neurology
COVID-19 Signs and Symptoms at the time of Presentation

Fever
Myalgia
Headache
Rinorrhea
Sore Throat
Dyspnea
Chest Tightness
Cough
Sputum
Hemoptysis
Nausea/Vomiting
Diarrhea

Dr. Josh Farkas @pulmcrit via Internet
COVID-19 Signs and ... Symptoms at the ... Presentation Fever ... Myalgia Headache ... Sputum Hemoptysis Nausea
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... • Rickettsial diseases ... Non-Infectious Causes ... Brucellosis Faget's Sign ... #Patterns #Differential
Lyme Disease: Early and Late Clinical manifestations
Stage 1. Localized
 • EM appears 7-14 days at the
Lyme Disease: Early ... myalgia, arthralgia, headache ... , fever (not common ... #diagnosis #signs ... #symptoms
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
lesion Pott's Disease ... symptoms, fever ... , fever, focal neurological ... • Caused by immune ... Meningitis: • Fever
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... Méniére's disease ... signs or symptoms ... #differential # ... diagnosis #neurology
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 ... includes Kawasaki disease ... , scarlet fever, ... #Diagnosis #Dermatology
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
within morulae Signs ... and symptoms: ... after bite • Fever ... , headache, malaise ... ), cough (30% cases
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... - Vertigo - Differential ... • Meniere's Disease ... symptoms/signs, ... #Differential #
Biphasic Illness of Leptospirosis
Some patients do not progress to severe disease. Others, rapidly develop severe disease
brief interval symptom ... -14 days): • Fever ... • Headache ... rash • Others: nausea ... Diagnosis #Illness #Signs