17 results
Biphasic Illness of Leptospirosis
Some patients do not progress to severe disease. Others, rapidly develop severe disease
brief interval symptom ... -14 days): • Fever ... • Headache ... suffusion (redness w/o exudate ... #Signs
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
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
13 Dangerous Causes ... coagulopathy, decreased level ... CNS infection: fever ... thrombophilia, neurologic ... signs/symptoms
What is the difference between Influenza (Flu) and COVID-19?
Both COVID-19 and flu can have varying degrees
varying degrees of signs ... Similarities: Fever ... or body aches Headache ... Flu viruses can cause ... mild to severe illness
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Coltivirus Symptoms ... • Fever • Nuchal ... Acute meningeal signs ... (fever, nuchal ... second phase of the illness
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
symptoms, fever ... , fever, focal neurological ... • Caused by immune ... Meningitis: • Fever ... Tuberculosis #diagnosis #differential
Fever After International Travel

Infectious Disease:
• Endemic in either the destination or home region

Viral Syndromes:
Arboviral infections, a
Fever After International ... with headache, ... with headache, ... and myalgias, symptoms ... #Travel #Differential
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... → Syncope • Signs ... /Symptoms: - Lightheadedness ... #differential # ... diagnosis #causes
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... • CT: Halo sign ... cough, myalgias, headache ... Constitutional symptoms ... factor • May cause
Modified dengue severity classification, PAHO/WHO
Dengue without warning signs - DNWS:
 • Person who lives or has
days and presents fever ... Headache/ retro-orbital ... acute febrile illness ... and no apparent focus ... organs #dengue #fever