47 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
papilledema • Horner syndrome ... • Meningeal signs ... ) • Systemic symptoms ... and signs (e.g. ... #neurology #PHANTOMS
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... without an obvious cause ... (Wallenberg's syndrome ... Syndrome usually ... signs or symptoms
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Differential Diagnosis Algorithm ... vomiting, auditory symptoms ... symptoms/signs, ... Dizziness #Vertigo #Neurology ... #Causes
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
phagocytophilum Pathophysiology ... within morulae Signs ... and symptoms: ... bite • Fever, headache ... ), cough (30% cases
Selective Serotonin Reuptake Inhibitors: Mechanisms and Side Effects
 • Serotonin Syndrome:
   - Autonomic Hyperactivity:
• Serotonin Syndrome ... Dizziness - Nausea ... Serotonin #Inhibitors #Pathophysiology ... Psychiatry #Diagnosis #Signs ... #Symptoms
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 #endocrinology
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
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... stroke • Severe nausea ... vasoconstriction syndrome ... vasoconstriction syndrome ... #signs #symptoms
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Anterior Cord Syndrome ... #diagnosis #pathophysiology ... #signs #symptoms ... #msk #orthopedics ... #neurology
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 ... Psychiatry #Diagnosis #Signs ... #Symptoms