11 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
and signs (e.g., fever ... brain lesion • CNS ... infection (e.g. ... #neurology #PHANTOMS ... #mnemonic
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... HIV / AIDS - Differential ... • Symptoms: Fever ... • Symptoms: Fever ... #Infections #differential
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
Dangerous Causes of Headache ... infection: fever ... thrombophilia, neurologic ... postpartum #Diagnosis ... Dangerous #Deadly #Differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... Diagnosis Framework ... Lymphadenopathy, CNS ... #Infections #HIV
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
• Papilledema, headache ... or abruptly • CN ... #Tuberculosis #diagnosis ... #differential # ... TB #neurology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... • Fever • Nuchal ... meningeal signs (fever ... #Infections #differential ... #diagnosis #neurology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... Diagnosis: Causes ... Anxiety, pain, fever ... acidosis: - CNS ... or restrictive lung
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Diagnosis Framework ... anemia, folic acid ... Periodic paralyses CNS ... • Toxins • Infection ... myocarditis, rheumatic fever
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Diagnosis Framework ... 50 years • New headache ... affects the skin, neurologic ... chorioretinitis, CNS
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... permanent alopecia Differential ... fibromyalgia) • Infections ... and CNSHeadache ... to: Arthritis, Fever