53 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential Diagnosis ... papilledema • Horner syndrome ... ) • Systemic symptoms ... and signs (e.g. ... #Algorithm #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... (Wallenberg's syndrome ... Syndrome usually ... signs or symptoms ... #differential #diagnosis
Clinical manifestations of anaphylaxis. 
Neurological (<15%): Dizziness, syncope, seizures, Confusion, impending doom. headache
Angioedema: Lips, tongue, orbit,
impending doom. headache ... arrest, Kounis syndrome ... #anaphylaxis #signs ... #symptoms #diagnosis ... #criteria #allergy
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
phagocytophilum Pathophysiology ... within morulae Signs ... and symptoms: ... bite • Fever, headache ... Anaplasma #Infection #diagnosis
Growth Hormone Excess - Pathogenesis and clinical findings
 • Acromegaly and gigantism share the same pathophysiology
• Other rare causes ... Pressure: • Headache ... Carpal Tunnel Syndrome ... Overproduction #diagnosis ... #signs #symptoms
Post-Concussive Syndrome
Thinking/Remembering 
 • Difficulty thinking clearly 
 • Feeling slowed down 
 • Difficulty concentrating
Post-Concussive Syndrome ... Physical: • Headache ... • Nausea/vomiting ... #Concussion #Neurology ... #Diagnosis #Symptoms
Selective Serotonin Reuptake Inhibitors: Mechanisms and Side Effects
 • Serotonin Syndrome:
   - Autonomic Hyperactivity:
• Serotonin Syndrome ... Dizziness - Nausea ... Serotonin #Inhibitors #Pathophysiology ... SideEffects #Psychiatry #Diagnosis ... #Signs #Symptoms
NINDS Diagnostic Criteria for Guillain Barre Syndrome 
Features Required for Guillain-Barré Syndrome:
 • Progressive muscle weakness
Criteria for Guillain ... , Mild sensory symptoms ... or signs, Cranial ... #diagnosis #criteria ... #neurology #neuropathy
Alzheimer’s Disease: Pathogenesis and Clinical Findings
Risk factor for Late Onset Alzheimer's (99% of cases):
 - Increasing
mutations - Down syndrome ... chromosome 21) Signs ... AlzheimersDisease #Dementia #pathophysiology ... #geriatrics #diagnosis ... #signs #symptoms
Serotonin-Norepinephrine Reuptake Inhibitors(SNRIs): Mechanisms and Side Effects

Withdrawal: Dizziness, Diarrhea, Insomnia, Nausea, Vomiting
Serotonin Syndrome - Potentially Life
Vomiting Serotonin Syndrome ... gain Incr NE: Nausea ... SerotoninNorepinephrine #Inhibitors #Pathophysiology ... SideEffects #Psychiatry #Diagnosis ... #Signs #Symptoms