80 results
Causes of Secondary Headaches (without Red Flag Symptoms) - Differential Diagnosis Algorithm
Acute
 • Sinusitis
 • Dental
Causes of Secondary ... Red Flag Symptoms ... Mountain Sickness Chronic ... #Neurology #Differential ... #Causes
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential Diagnosis ... papilledema • Horner ... syndrome, history ... ) • Systemic symptoms ... arteritis • Acute
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Differential Diagnosis ... hypothalamus, and visual cortex ... without aura - Chronic ... - Autonomic symptoms ... : - Acute angle-closure
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... vasoconstriction syndrome ... Tentorial pressure cone ... #signs #symptoms ... #diagnosis
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... - Differential Diagnosis ... Thrombocytosis): • Acute ... Myelodysplastic syndrome ... #Causes #hematology
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
Visual or auditory symptoms ... conjunction with symptoms ... Inflammatory causes ... • Acute disseminated ... #neurology #inflammatory
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... and duration of symptoms ... - Headache, fever ... #rheumatology # ... comparison #table
Causes of Anterior Uveitis - Differential Diagnosis
Anterior Uveitis - 90% of cases of Uveitis
 • Inflammation
Causes of Anterior ... - Differential Diagnosis ... Immunocompromised-CMV • Chronic ... Lymphoma Pearl: Acute ... #Differential #Diagnosis
Post-Concussive Syndrome
Thinking/Remembering 
 • Difficulty thinking clearly 
 • Feeling slowed down 
 • Difficulty concentrating
Post-Concussive Syndrome ... Physical: • Headache ... • Nausea/vomiting ... #Concussion #Neurology ... #Diagnosis #Symptoms
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... - Differential Diagnosis ... UNa > 20: • Acute ... or chronic renal ... #nephrology