Case Presentation A 31-year-old female with a history of heavy smoking and a background of learning disability presented to the hospital with a 3–4 day history of frontal headache, neck pain, and vertigo described as a room-spinning sensation. Her symptoms were further complicated by an episode of transient loss of consciousness, prompting urgent medical evaluation.
Clinical Examination Vitals: Stable Conscious, alert, and oriented Investigations Venous blood gas: Carboxyhaemoglobin (COHb): 9.7% (elevated) Normal pH, lactate, and other parameters Neurological examination : Bitemporal hemianopia initially Progressed to temporal hemianopia No motor or sensory deficits Imaging: CT brain: No acute abnormalities MRI brain: Normal pituitary gland No sellar/suprasellar mass (Cover Image A and B) Intact optic chiasm Figure 1: Sagittal MRI brain (Source: Cureus) Figure 2: Coronal MRI through…
