Facial palsy and Stroke

Facial palsy and Stroke

Most common cause of one-sided facial nerve paralysis

[A] Stroke
[B] Accidents
[C] Bell palsy
[D] Cerebellopontine angle tumor

56 year male patient with history of diabetes and systemic hypertension presented with unilateral facial palsy and loss of taste sensation in the anterior 2⁄3 of the tongue on the affected side. What is the most common possible cause

[A] SLE
[B] Cerebro Vascular Accident
[C] Bell palsy
[D] Cerebellopontine angle tumor

Most common cause of facial weakness

Bell palsy – lacrimation and taste are typically affected as well—a fact that can be

Differential diagnosis –

Weakness predominates while lacrimation and taste are intact – Then consider following differential diagnosis

  • Facial nerve is affected more distally after its exit from the skull base via the stylomastoid foramen
  • Facial nerve is affected proximally within the brainstem – intramedullary fascicle (fascicular lesion) or in the facial nerve nucleus itself (nuclear lesion).
  • The most common cause of facial weakness is damage to the facial nerve in the petrous canal:
  • Bell palsy
  • Caused by a viral infection [ probably ]
  • Viral infection Leads to – Inflammatory swelling of the nerve
  • Inflammation and swelling of nerve – Leads to pressure on the nerve in the canal which cause ischemia.
  • This disorder called as idiopathic or crypto genic facial nerve palsy (Eponym – Bell palsy)

Double-density sign – Cardiology Outlines

Double-density sign Double-density sign is seen in [A] LA enlargement[B] RA enlargement[C] LA and RA enlargement[D] RV enlargement ANSWER[A] LA enlargement Double-density sign Also known as the double right heart border Left atrial enlargement – Seen on frontal chest radiographs in the presence of -…