Pathologies related to the Thorax Flashcards
(120 cards)
What causes chicken pox and shingles?
varicella - zoster virus
What are risk factors for varicella?
Hx of chicken pox
increased risk around 50 years of age
Why has varicella declined in prevalence?
Vaccines :)
What is necessary for someone to develop shingles?
History of chicken pox
How is varicella transmitted?
Airborne or direct contact
Hold long should someone isolate with varicella?
Crusted lesions dry
Who is varicella highly contagious to?
Those who’ve not had chicken pox and 2-3 days prior to symptoms
If you’re exposed to varicella and you haven’t had chicken pox, what will you get?
Chicken pox, not shingles
How does the virus of varicella travel through the body?
From lymph through blood
What does varicella eventually target?
Nerve endings
Where can varicella persist in the body?
latent in dorsal root
Why are subsequent infections triggered with varicella - zoster virus?
Lowered immunity/ stress
What are PT implications of varicella?
- Pain and itching
- dewdrop on a rose petal vesicle on a red base that erupt
- shingles skin lesions and paresthesias occur in a dermatomal pattern
(typically T3-L3)
When is varicella - zoster virus an emergency referral?
When it is close to the eye
What kind of referral is varicella - zoster virus typically?
urgent referral
What is the risk of developing postherpetic neuralgia with varicella?
(pain more than 90 days after onset)
low
What is the incidence of spinal malignancy?
Multiple myeloma
- primary malignant tumor in bone marrow
- typically in older individuals
What is the most common tumor of the spine?
spinal metastases
Spinal metastases are the ___ most common serious spinal pathology
2nd
What are 30% of spinal metastases from?
Breast, lung, prostate, kidney, GI and thyroid tumors
What is the 3rd most common area of metastasis from?
Bone, behind lung and liver
What is the most common structure of bone involved with spinal malignancy?
Vertebral body, mostly in anterior portion leading to wedging
What is rarely involved with spinal malignancy?
Discs
What is the most common region of the spine for spinal malignancy?
Thoracic (70%)