30 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
Biphasic Illness of Leptospirosis
Some patients do not progress to severe disease. Others, rapidly develop severe disease
brief interval symptom ... -14 days): • Fever ... • Headache ... vomiting, abdominal pain ... Diagnosis #Illness #Signs
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
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
13 Dangerous Causes ... CNS infection: fever ... dissection: unilateral pain ... thrombophilia, neurologic ... signs/symptoms
Headaches Overview - Primary vs Secondary Headaches

What’s the Core Difference?
 • Primary headache = headache is
symptom of something ... + fever, confusion ... • Meningitis (fever ... : S Systemic (fever ... N Neurological signs
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 ... stuffy nose Muscle pain ... or body aches Headache ... Flu viruses can cause
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
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 ... #diagnosis #neurology
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... stroke • Severe nausea ... • Fever - Febrile ... #signs #symptoms ... #clues #differential
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Mediterranean Fever ... - May involve symptoms ... Positive Carnett's sign ... #Rare #Causes ... #differential #