197 - Human Immunodeficiency Virus Disease: AIDS and Related Disorders Flashcards
HIV patients are classified according to their __ levels and their different __.
CD4
symptoms
There are 5 levels for HIV classifications. 0- negative _ months post exposure, 3- if __ infection. The rest of the levels are determined according to the __ levels.
6
opportunistic
CD4
Treatment __ determined according to the level of HIV/AIDS.
is not
The physician should choose HIV treatment according to the ___
presentation
The chance for HIV transmission during sexual intercourse is __%.
1.4
Different infections increase the risk to be infected with HIV: 6
T. pallidum H. ducreyi HSV chlamydia N. gonorrhoeae trichomonas vaginalis
The chance for HIV transmission during IVDU is __%.
0.6%
The chance for HIV vertical transmission during 1st trimester is__%, during the birth ___%, breast feeding.
23-30%
50-65%
12-20%
Breast feeding if HIV is present is __ in developed countries, in developing countries it is not to case (use __ during)
contraindicated
retro antiviral
Eclipse phase-__
The virus cannot be found in blood for several days post infection.
One of the important areas infected by HIV is the __
GALT
Mucosal infection leads to __ to be the first to get infected.
LN
Hematologic infection leads to __ to be the first to get infected.
spleen
Acute HIV syndrome occurs in _% of patients, and is defined by severe __. Clinically it can be __ or __.
50
viremia
asymptomatic
IM like
Antibodies for HIV are diagnosed by __ test.
ELISA`
Due to high percentage of FP, if ELISA result was positive- continue to __ test.
western blot
For western bolt to be positive - _ out of _ antibodies should be positive (__/__/__).
2
3
gag/pol/env
If western blot is not conclusive- perform __ test.
cross reaction
In recent exposure if __ is negative, return after __ and __ after.
ELISA
six weeks
3 months
OraQuick rapid HIV-1 antibody test is a very __ test (99%), but if negative- __.
specific
ELISA
-% of patients infected with HIV will develop acute retroviral syndrome - weeks post infection.
50-70%
3-6
The symptoms of HIV acute retroviral syndrome depend on the severity of the __
viremia
The general symptoms of acute retroviral syndrome are: 7
fever pharyngitis lymphadenopathy headache lethargy/malaise anorexia/weight loss nausea/vomiting/diarrhea
Neurologic symptoms of acute retroviral syndrome include: 4
meningitis
encephalitis
peripheral neuropathy
myelopathy
Cutaneous symptoms of acute retroviral syndrome include: 2
maculopapular / erythematous rash
mucocutaneous ulcers
During acute retroviral syndrome __ infections are possible.
opportunistic
_% of HIV patients will develop __ disease after acute retroviral syndrome, the rest will enter the latent phase.
10
fulminant
The median time period in untreated HIV patients for the appearance of clinical disease is __ years.
10
During the latent phase, CD4 decrease by __ uL/year
50
When CD4 drops below __, the deficiency is sufficient for ___ infections and ___.
200
opportunistic
malignancies
AIDS related disease make up to __% of mortality, non AIDS malignancies, liver disease, CV disease make up to -% each.
50
10-15
In order to reduce complications in HIV patients keep __levels low using __, and treat __.
replication
cART
infections
Acute __ and __ are present in all stages of HIV
bronchitis
sinusitis
Diagnosing sinusitis is done using /. Treatment is optional, but will reduce the __ of the disease.
MRI/CT
length
What are the common pathogens causing sinusitis in HIV patients?
H. influenza
strep pneumonia
mucormycosis (debridement + amphotericin B)
What is the most common complication of HIV?
pneumonia
Untreated HIV patients are X_ more likely to have __ and X_ for __.
6
bacterial pneumonia
100
bacteremia
HIV bacterial pneumonia should be treated with Abx such as-
ceftriaxone (cephalosporine)+ azithromycin (macrolide)
HIV patients are advised to quit __, and receive the following vaccination: 2
smoking
conjugated pneumococcal vaccine
23 valent pneumococcal
PCP=__
Pneumocystis pneumonia
PCP cause __% of pneumonia in HIV patients in the US, and is the leading microbe causing it.
25%
When CD4< 200 in HIV patients, give __ treatment for PCP with __.
prophylactic
aerosolized pentamidine
PCP clinical presentation include: 4
fever
unproductive cough
CXr with bilateral interstitial infiltration
CT with ground glass
PCP treatment include __.
resprim (TMP-SMX)
HIV patients are __ times more prone to active __.
100
TB
Which atypical mycobacteria are more common in HIV patinets?
M. avium
M. intracellular
The most common CV disease in HIV patients is- __
CHD
HIV patients tend to have increased __, and decreased __.
TG
HDL
HIV associated ___ present with edema and dyspnea.
cardiomyopathy
Esophagitis in HIV patients is usually due to 3, and cause retrosternal pain and dysphagia. Diagnosis is made with __.
candida
CMV (one big lesion)
HSV (multiple small lesions)
endoscopy
What are the common pathogens causing intestinal infections in HIV patients?
Bacteria- 3
fungal- 3
salmonella shigella campylobacter histoplasma coccidiomycosis penicilliosis
CMV colitis symptoms include: 3
diarrhea
abdominal pain
weight loss/anorexia
CMV colitis should be diagnosed with __ (multiple mucosal lesions), __ (intranuclear and cytoplasmic inclusions bodies).
endoscopy
biopsy
Chronic __ syndrome is when no etiology beside HIV was found. may cause weight loss and malabsorption.
diarrheal
_% of mortality of HIV patients is due to hepatobiliary disease. Some due to __, while other due to the __.
15
hepatitis
drug treatment
What are the common kidney/urinary HIV related disease? 4
microalbuminuria
HIV associated nephropathy
UTI
vulvovaginal candidiasis
33-75% of HIV patients suffer from __ due to thymidine analogues or protease inhibitors. As a result: 3.
lipodystrophy
TG increase
total cholesterol increase
hyperinsulinemia + hyperglycemia
Many HIV patients will develop ___, usually due to a combination of pulmonary or CNS disease- resulting in __.
SIADH
hyponatremia
Hyperkalemia can be found in HIV patients, due to __ insufficiency, __, or __.
adrenal
nephropathy
drugs
___ Cushing due to hypothalamic-hypohisaric - adrenal axis inhibition (__)
iatrogenic
steroids
Adrenal disease in HIV patients can be caused by: 5
mycobacterial infection CMV cryptococcoses histoplasma iatrogenic
IRIS-___
immune reconstitution inflammatory syndrome
IRIS is a paradoxical reaction after starting with __ treatment. It may lead to: 3
cART
worsening of opportunistic infection
AI disease
unmasking unknown problem
IRIS exist in __% of patients, and is more common in patients with CD4 < __ when the treatment was initiated.
30
50
IRIS clinical symptoms include: 8
:(
local lymphadenitis prolonged fever pulmonary infiltration hepatitis ICP uveitis sarcoidosis graves disease
What are the common hematopoietic clinical symptoms related to HIV?
persistent generalized lymphadenopathy anemia neutropenia thrombocytopenia DVT/PE
Dermatologic problems are present in __% of HIV patients.
90%
HIV patients may experience drug reactions such as __-__ syndrome, and toxic epidermal __.
Steven Johnson
necrolysis
What opportunistic CNS disease are common in HIV patients? 4
toxoplasma
Cryptococcus
leukoencephalopathy (vanishing white matter)
primary lymphoma
HIV encephalopathy/ HIV associated dementia is an HIV __ disease.
characterizing
What is the main cause for meningitis in HIV patients? It occurs when CD4
cryptococcus
100
What is the treatment for cryptococcus?
AMP-B
When toxoplasmosis is more likely to cause CNS disease in HIV patients?
when CD4 < 200
What are the typical MRI lesions defining toxoplasmosis?
multiple round enhancement in the brain
How should you treat toxoplasmosis?
resprim (TMP-SMX)
50% of HIV advanced patients will present __-__ spots in an ophthalmological examination
cotton wool
What are the common ophthalmological disease in HIV patients? 2
CMV retinitis
HSV/VZV necrotizing retinitis
What are the common neoplastic disease in HIV patients? 4
Kaposi’s sarcoma
lymphoma (non-Hodgkin’s)
Multicentric Castleman disease
invasive cervical carcinoma
consider expanding on neoplastic disease
consider expanding on neoplastic disease
What are the 4 categories of HIV treatment?
reverse viral transcriptase inhibitors
protease inhibitors
integrase inhibitors
cell entry prevention
HIV treatment should consists of ___ drugs and last for __.
multiple
life
Which HIV patients should receive medicinal treatment?
all patients
HIV patients diagnosed while suffering opportunistic infection can postpone cART by - weeks, focusing on treating the infection.
2-4
One of the goals of HIV treatment is a X__ decrease in viral load within the first - months, and then further decrease to __ RNA copies within _ months.
10
1-2
50
6
One of the goals of HIV treatment is an increase of __ cells to - in the first month, followed by further increase of - per year until they are normal.
CD4
100-150
50-100