important concepts Flashcards

1
Q

migraine mechanism of action and drug of choice

A

activation of calcitonin-gene related peptide(CCGRP).

treat with triptans (sumatotriptan). which inbites CCGR[

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2
Q

systolic murmur that increases when you stand up

A

hypertrophic cardiomyopathy

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3
Q

drugs to avoid in hypertrophic cardiomyopathy

A

diuretics and vasodilators

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4
Q

complication of CREST syndrome

A

Interstitial lung disease

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5
Q

Radiation pneumonitis

A

type of pulmonary fibrosis and its due to free radical formation. the atelectasis that is formed is due to contraction

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6
Q

Round ligament

A

Is a remnant of the gubernaculum.

extends from where the fallopian tube attaches to the uterus and extend to the labia majora.

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7
Q

Mitochondrial myopathy

A

red ragged muscle fibers on biopsy. which is made of mitochondrial crystalline.
mother gives to both sons and daughters but sons don’t transmit it to their offspring because the male sperms does not have mitochondrial in them.

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8
Q

stratification. in clinical trials

A

allocation of subjects into different groups using any other factors aside the treatment as your bases.
is basically forming subgroups.

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9
Q

IL-1

A

its also known as osteoclastic activator. it levels are increased in osteoporosis

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10
Q

CNS lymphoma

A

rapidly expanding mass in the brain in an HIV patient. usually associated with seizures. Is also an AIDs defining disease.

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11
Q

Reye syndrome

A

associated with mitochondrial dysfunction.

patients with fatty acid metabolism difficulties have higher risk eg; acyl CoA dehydrogenase deficiency

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12
Q

Benzo vs opioid withdrawal

A

in both cases there is tachycardia and high BP. but benzo has miosis whiles opioid has mydriasis

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13
Q

Leishmaniasis

A

sandfly bite.

amastigos in histocytes

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14
Q

Onchocerca

A

blackfly bite
also know as “river blindness”
subcutaneous nodules(used as biopsy for diagnosis)
depigmentation of the shin

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15
Q

lactase intolerance

A

low stool ph
high breath hydrogen content
high stool osmolarity

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16
Q

vascular dementia

A

cortical infarcts
subcortical lacunar infarct
white matter hyperintensities

17
Q

cerebral palsy

A

periventricular leukomalacia

18
Q

stroke

A
  • middle cerebral=== hemiparesis and hemisensory loss
  • anterior communicating==stroke with bitemporal hemianopia.
  • posterior communicating==stroke with oculomotor compression ie; ptosis and “down and out”
  • Basilar artery==quadriplegia with horizontal gaze palsy
  • posterior cerebral==stroke with vision loss.
19
Q

Familial Adenomatous polyposis. pathology

A

Factors affecting
*activators== KRAS and COX-2
inactivators==DCC, p53, DNA methylation and APC gene inactivation