46 results
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
Photophobia and Headache ... - Differential Diagnosis ... meningeal irritation signs ... : - Acute angle-closure ... • CNS Vasculitis
Causes of Secondary Headaches (without Red Flag Symptoms) - Differential Diagnosis Algorithm
Acute
 • Sinusitis
 • Dental
Causes of Secondary ... Headaches (without ... Analgesic Induced Headache ... #Secondary #Headaches ... #Neurology #Differential
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Approach to Headaches ... papilledema • Horner syndrome ... thunderclap) of worst headache ... arteritis • Acute ... MatthewHoMD #Headache
Primary and Secondary Headaches - Red Flags and Differential Diagnosis
Red Flags (SNOOP):
S - Systemic		
N - Neurologic
and Secondary Headaches ... P - Previous Headache ... change Migraine Headache ... visuals) Tension Headache ... days Cluster Headache
Headaches Overview - Primary vs Secondary Headaches

What’s the Core Difference?
 • Primary headache = headache is
Common Secondary Causes ... N Neurological signs ... confusion, focal signs ... Secondary #Comparison #Neurology ... #Diagnosis
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
With Different Headache ... anemia, febrile headache ... Fever - Febrile headache ... post-traumatic headache ... ), IIH #headache
Post-Concussive Syndrome
Thinking/Remembering 
 • Difficulty thinking clearly 
 • Feeling slowed down 
 • Difficulty concentrating
Post-Concussive Syndrome ... Physical: • Headache ... • Nausea/vomiting ... #Concussion #Neurology ... #Diagnosis #Symptoms
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
a.k.a. cardiorenal syndrome ... - Small vessel vasculitis ... tubular necrosis (causes ... Classification #diagnosis ... #nephrology
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Acute Kidney Injury ... - Differential Diagnosis ... Abdominal Compartment Syndrome ... Emboli, Thrombosis, Vasculitis ... #nephrology #causes
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
Inflammatory causes ... • Acute disseminated ... ANCA-associated vasculitides ... #neurology #inflammatory ... #differential #diagnosis