33 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... papilledema • Horner syndrome ... • Meningeal signs ... ) • Systemic symptoms ... and signs (e.g.
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Occlusion of posterior inferior ... (Wallenberg's syndrome ... Syndrome usually ... varying neurologic signs ... #differential #
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Differential ... - Autonomic symptoms ... meningeal irritation signs ... #differential # ... diagnosis #ophthalmology
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
sliding/barcode sign ... Consolidations - "Shred" sign ... Respiratory Distress Syndrome ... #pulmonary #differential ... #diagnosis #signs
Biphasic Illness of Leptospirosis
Some patients do not progress to severe disease. Others, rapidly develop severe disease
brief interval symptom ... • Fever • Headache ... suffusion (redness w/o exudate ... rash • Others: nausea ... Diagnosis #Illness #Signs
Clinical manifestations of anaphylaxis. 
Neurological (<15%): Dizziness, syncope, seizures, Confusion, impending doom. headache
Angioedema: Lips, tongue, orbit,
impending doom. headache ... arrest, Kounis syndrome ... arrest GI (>40%): Nausea ... #anaphylaxis #signs ... #symptoms #diagnosis
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... vasoconstriction syndrome ... vasoconstriction syndrome ... #signs #symptoms ... #clues #differential
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
13 Dangerous Causes ... of Headache: ... shoulder girdle symptoms ... thrombophilia, neurologic signs ... Dangerous #Deadly #Differential
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Anterior ischemic ... Is visual loss caused ... the optic nerve caused ... Doppler US : halo sign ... #Rheumatology #Ophthalmology
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