14 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Differential Diagnosis Algorithm ... • Meningeal signs ... Systemic symptoms and signs ... (e.g., fever, myalgia ... lesion • CNS infection
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
Anaplasma Infection ... within morulae Signs ... after bite • Fever ... , headache, malaise ... #Anaplasma #Infection
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
vomiting • Fatigue Signs ... • Low-grade fever ... Cortisol Deficiency: Signs ... Reduced libido • Signs ... endocrinology #diagnosis #signs
Headaches Overview - Primary vs Secondary Headaches

What’s the Core Difference?
 • Primary headache = headache is
aneurysm) • Infection ... + fever, confusion ... Common Secondary Causes ... N Neurological signs ... confusion, focal signs
Modified dengue severity classification, PAHO/WHO
Dengue without warning signs - DNWS:
 • Person who lives or has
without warning signs ... Headache/ retro-orbital ... Myalgia and arthralgia ... Dengue with warning signs ... the following signs
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... • CT: Halo sign ... cough, myalgias, headache ... ), anemia, arthralgia ... , headache, non-productive
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
13 Dangerous Causes ... of Headache: ... : fever, immunocompromise ... thrombophilia, neurologic signs ... #Diagnosis #Headache
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Episcleritis Signs ... - Fatigue - Headaches ... (arthritis and arthralgia ... Causes: - Idiopathic ... gastrointestinal infection
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... • Fever • Nuchal ... Acute meningeal signs ... (fever, nuchal ... rav7ks #CNS #Infections
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Night sweats • Arthralgias ... purpura: Strong sign ... , weight loss, arthralgia ... 50 years • New headache ... tract, and often causes