36 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
papilledema • Horner syndrome ... lyme • Altered mental ... • Meningeal signs ... lesion • CNS infection ... Diagnosis #Algorithm #neurology
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... poisoning • Mental ... vasoconstriction syndrome ... vasoconstriction syndrome ... #signs #symptoms
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
polyneuropathy (e.g ... Guillain-Barré syndrome ... Hyperthyroidism, Serotonin syndrome ... differential #diagnosis #table ... #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... oscillopsia) • Otitis Media ... symptoms/signs, ... nystagmus - Infection ... Dizziness #Vertigo #Neurology
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
in Wonderland Syndrome ... (Many causes!) ... * (most common cause ... ) • Infection ( ... #diagnosis #neurology
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes ... of sinus or ear infection ... parasitic or fungal infection ... vasoconstriction syndrome ... #redflags #signs
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
allopurinol), Infection ... Bronchoscopy with serial ... BAL → confirm DAH ... , rule out infection ... differential #diagnosis #nephrology
Major Brain Complications of Endocarditis
Abscess:
 • May be macro or micro and occur at site of
encephalopathy, headache ... • Arise from infective ... with devastating SAH ... Ischemic stroke caused ... #neurological #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
history of viral infection ... (Wallenberg's syndrome ... Syndrome usually ... signs or symptoms ... differential #diagnosis #neurology
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Common causes of ... inhibitors, hepatorenal syndrome ... • Toxins • Infection ... NephroP #AKI #causes ... Differential #Diagnosis #nephrology