Life threatening HA Flashcards
Subarachnoid Hemorrhage summary
Def: Bleed from ruptured aneurysm or arterial venous malformation
SS: "worst headache of life" sudden onset LOC focal near signs seizure nuchal rigidity
Eval:
CT
lumbar puncture
Txt:
Nicardipine (CCB)
Phenytoin
Urgent neurosurgical consult
Meningitis summary
Def: bacterial/viral infection in CSF
SS: HA fever toxicity Nuchal rigidity Vomiting
Eval:
lumbar puncture
Txt:
Bac: IV, steroids
Viral: supportive
Subdural Hematoma summary
Def: bleeding between dura and arachnoid/brain with significant brain injury
Cause: tears of bridging veins between cerebral cortex and dura
SS:sickle shape
HA with confusion obtundation
Elderly/aloholics
CT
Epidural Hematoma summary
Def: bleeding between inner skull table and dura with no brain injury
Cause: skull fx tear middle meningeal artery
SS: lenticular
Brief LOC -> awake with HA -> deteriorating mental status
rapidly progress to herniation of brain
CT
neurosurgery -> good prognosis
Hypertensive HA summary
Diastolic BP > 130
alleviate via BP control with antihypertensives