PD II Flashcards
cisterna chyli**
dilated lymph vessel; beginning of thoracic duct***
what/where are Peyer’s patches?
round/oval bundles of lymph cells in ileum
when does thymus reduce in size?
after puberty
what are reticular fibers in Lymph?
give lymph shape
trap foreign bodies
What is the thymus?
site of T cell maturation
largest mass of lymph tissue and what does it do?
spleen
site of B cell –> AB producing plasma cells
sequester damaged RBC
how many tonsils are there?
5 total
2 palatine
2 lingual
1 adenoid
Where does the epitrochlear nodes drain to?
from last three fingers on ulnar surface to axillary nodes
testes lymph drainage***
deep drainage to paraaortic lymph nodes
scrotum lymph drainage***
superficial drainage to inguinal lymph nodes
What are the divisions of the inguinal lymph nodes and what do they drain?
horizontal group: lower ab, butt, external genitalia, anal, lower vaginal
vertical group: great saphenous territory of leg
*testes not in these, only scrotum
How do you palpate popliteal lymph nodes?
with patient standing
How do you palpate inguinal lymph nodes?
with patient supine
Where do popliteal lymph nodes receive drainage from?
superficial: lateral leg/food (small saphenous)
deep: ant/post tib a.
a bit superior to knee crevice
Where do the lower extremities drain to?***
both drain to left supraclavicular (thoracic duct)
What is the abdomen drained by?
thoracic duct
where do axillary nodes drain to?
supraclavicular nodes
What are the superficial nodes?
cervical axillary epitrochlear (ulna) inguinal popliteal
What does the right lymph duct drain from?
upper right side of body
What are you inspecting in the lymph nodes?
swelling
erythema
streaking: lymphangitis
associated lesions
what is rubor, calor, dolar, tumor?***
rubor: redness
calor: heat
dolar: pain
tumor: swelling
signs of inflammation
what could be implicated when lymph nodes are “fixed”?
could be malignancy (cancer)
nodes should roll easily
What size of axilla and inguinal nodes are insignificant?
< 3cm
what size of nodes are generally insignificant?
< 2cm
What size of supraclavicular fossa nodes are SIGNIFICANT?
> 1cm
What are the consistencies of lymph nodes and what do they mean?
soft: usually insignificant
rubbery: classic lymphoma
hard: classic malignant and ganulomatous infection
Implications of tender v non-tender nodes
tender: classic infection
non-tender: classic malignancy
What do pts 2-12 y.o. commonly present in lymph nodes?
insignificant nodes in neck secondary to frequent viral infection
Neck exam sequence
- preauricular
- postauricular
- occipital
4 tonsilar - submandibular (smaller/smoother than gland)
- submental
- superficial cervical: superficial to SCM
- posterior cervical: anterior edge of traps
- deep cervical chain: deep to SCM; inaccessible usually
- supraclavicular: deep in clavicle SCM angle
How to palpate deep cervical chain nodes?
hook thumb and fingers around either side of SCM
What is Virchow’s node?***
left supraclavicular node
enlargement: cancer, classic sign of abdominal process
Axillary node significance
breast cancer
inflammation
Epitrochlear node significance***
Hodgkin’s lymphoma (15-20/55+ y.o.)
cat scratch fever
inflammation
What is typical of inguinal nodes?
small, hard –> insignificant
What do you do when you see an inflammatory lesion?
look at regional lymph nodes that drain it
What do you do when you see an enlarged/tender node?
look for source like infection in area it drains
What do you always evaluate when looking at lymph nodes?
SYMMETRY
Left supraclavicular node abnormality is a classic sign of what?
intrathoracic process
Who should you not palpate carotid too hard?
> 50y.o. bc dislodge clot
What is infraclavicular fossa nodes indicative of?***
classic breast cancer or malignant lymphoma
Warm, erythematic tender, swollen lymph nodes with edema?***
lymphadenitis
firm, non-tender, fixed lymph nodes***
malignancy
What can cortisol do to immune?
dampen immune system
What are the categories of abdominal pain?
visceral
parietal
referred
visceral pain (abdominal)
when hollow organs stretched or distended
hard to localize
varies in quality
parietal pain (abdominal)
inflammation of parietal peritoneal
steady pain
localized
aggravated w/mvmt
referred pain (abdominal)
felt distant from original site
What do you always document in an abdominal exam of a female?
last menstrual cycle of female of child-bearing age
What two systems are pertinent in an abdominal exam?
GI
Urinary
What has cannabis abuse recently shown to be associated with?
Cannabinoid Hyperemesis Syndrome
abdominal pain
cyclic N/V
Freq hot bath to relieve
Hirschsprung’s disease
absence of nerves in a segment of bowel –> difficult peristalsis
Familial Mediterranean Fever
recurrent episodes of fever
abdominal, chest, or joint pain
1st ep begin childhood
most often in people of middle eastern or mediterranean descent
Abdominal PE order***
Inspection
Auscultation*
Percussion
Palpation
Which side of the patient should be be during abdominal exam?***
patient’s right side!
When should you examine painful abdominal spot?
LAST!
What should you always keep as differential in abdominal exam?
CANCER
Cullen’s sign
superficial edema and bruising around umbilicus
sign of retroperitoneal hemorrhage (eg pancreatitis, periumbilical ecchymosis)
Grey Turner’s sign
bruising of flank
sign of retroperitoneal hemorrhage
scaphoid abdomen
abdomen sucked inward –> malnutrition
What might you see with intestinal obstruction?
peristaltic waves
caput medusae
Distended + engorged periumbilical veins
Cirrhosis
IVC obstruction
Why should you auscultate before percussion and palpitation?
P/P can alter frequency of bowel sounds
borborygami sound
“stomach growling”: prolonged peristalsis gurgle
need to listen for 3-5min to document negative for it!