Anatomy Flashcards
30 y.o. swallows a pin –> which part of the <3 is damaged?
Left atrium
18 y.o. stabbed between fourth and fifth ribs to the right of the sternum
Right atrium
Tamponade associations
Hypotension, distended neck veins, pulsus paradoxus, electrical alternans
Pericarditis associations
Chest pain, friction rub, diffuse ST elevations
Unstable angina associations
Repeated subendocardial infarctions, ST depressions, fibrosis & vacuolization
Inferior MI: EKG
ST elevations in II, III, aVF
Septum MI: EKG
ST elevations in V2, V3
Lateral wall MI: EKG
ST elevations in I, aVL, V5, V6
Neural crest derivatives
melanocytes, leptomeninges, pharyngeal arches (skeleton and connective tissue), odontoblasts, aortic arch, parafollicular C cells, aorticopulmonary septum, PNS, schwann cells, ganglia, chromaffin cells, enterochromaffin cells
Kernig sign
meningitis: flexion of hip at 90 degrees, straightening knee causes pain
Brudzinski sign
Patient flexes knees in response to neck flexion (meningitis)
Pseudotumor cerebri causes
A LOT A Stuff: amiodarone, lupus, OCPs, tetracycline/venous thrombosis, vit A tox, steroids
Eyes look ____ a stroke and ____ a seizure
Towards; away from
Primary synapse: ipsilateral
Secondary synapse: synapse, cross CL
DC/ML: at brain stem
STT: at anterior commissure (in spinal cord)
What tract inhibits the Babinski reflex?
LCST