Dosage of anti d and exact wk of pregnancy when to give kindly advise us?

30 year old lady with recurrent headaches, more in the evening. headache more on left side for last 4 months. no sinus tenderness. CT normal. what could be the other causes and how to manage

A 46 year old woman presents with complaints of heart palpitations which begun few months back, but have more frequent recently. She is also feeling extremely anxious, sometimes for no reason at all and is concerned that she may be having hot flashes of menopause because she feels he and begins sweating even when no one else there feels hot. she has lost nearly 9kg in the last 2 months even without any major change in diet or exercise. O/E fine tremor of the extended hands

1 year old child presented with h/o abdominal distension, right upper quadrant mass, intermittent abdominal pain along with vomitting and constipation. CECT if child is represented below.

Classical salt and pepper pigmentation of hands in a 55yrs old female . Spot the diagnosis

63 yr, M,No comorbidities, 20th morning when he got up in the morning the wife noted talking unrelated things & not asking any thing for his daily needs.when anybody ask anything he immediately giving answers with out any meaning.On pointing the wife & asking who is she , he immediatly replied "see go come go" . On asking where are you now the immediate anwer was" road journey enjoyable". No other focal neurological deficits. Mri brain shows ischemic infarction& PT IS ON APPROPRIATE MED. What is his functional disabilty? Which part of the brain is involved?