Post cardiac arrest phase, titration of inspired oxygen to lowest level to achieve O2 sat? correct
answers 94%
frail chest = multiple rib fractures correct answers = see saw chest movement
Pertussis (whooping cough) correct answers -An airborne bacterial infection that affects mostly
children younger than 6 years. Patients will be feverish and exhibit a "whoop" sound on
inspiration after a coughing attack; highly contagious through droplet infection.
-long episodes of cough until vomits
-sputum= thick and white
airway resistance correct answers pressure difference between the mouth and the alveoli in
relation to the rate of flow of inspired gas
drug of choice for Tx pertussis correct answers macrolide antibiotics = azithromycin,
clarithromycin and erythromycin
Macrolides (thromycin) MOA correct answers Inhibit protein synthesis by blocking translocation
("macroslides"); bind to the 23S rRNA of the 50S ribosomal subunit. Bacteriostatic.
Gentimicin has what serious complications: correct answers 1. ototoxicity
2. nephrotoxicity =oliguria or anuria
3. never given IV push, only drip 30-60 mins
gentimicin effective against? correct answers -gram-negative rods
-staphylococci
-e. coli
-psudomonas aeruginosa
Psudomonas aeruginosa correct answers Gram Neg, motile, capsule
Aerobic
Found in water, soil, decaying veg, skin, MM, feces,
Cause infection
Opportunistic
Tx: based on culture/sensitivity
Pulmonary artery pressure (PAP) correct answers Normal Mean PAP
Normal PAP Systolic 20 to 35
Normal PAP diastolic 5 to 15
> than is inconsistent with weaning.
- indicates pulmonary hypertension.
- Left ventricular failure.
- Fluid overload.
, Sidenafil (Viagra) correct answers phosphodiesterase inhibitor, potentiates action of nitrates b/c
they inhibit breakdown of cGMP. Should not be taken within 6 hrs of nitrate
Medication given orally to inhibit rapid rise in pulmonary artery pressure secondary to hypoxia?
correct answers sidenafil (Viagra)
Laryngeal Mask Airway (LMA) correct answers -An airway consisting of a tube and small mask
that is fitted internally over the patient's larynx.
-must have an absent gag reflex
-does not usually cause hoarseness, does not pass thru vocal cord
-cannot be inserted by RN, unless special trained
Aspirated content during cardiac arrest? correct answers -onset of symptoms is gradual
-may develop ARDS, but not always
-if pH > 2.5, very little necrosis will occur
-if pH < 2.5, may develop pulmonary edema, necrosis, bleeding, and atelctasis
ARDS (acute respiratory distress syndrome) correct answers respiratory insufficiency marked by
progressive hypoxia
aspiration pneumonitis correct answers An acute lung injury after inhalation or aspiration of
regurgitated gastric contents (reflux or emesis).
The gastric acid causes a chemical injury rather than an infection.
Pulse oximetry should never be used in? correct answers -cardiac arrest
-during CPR, blow flow varies
SpO2 vs. PaO2 correct answers are not equal
SpO2 (saturation of peripheral oxygen) correct answers abbreviation for the percentage of
hemoglobin that is saturated with oxygen in arterial blood as measured by a pulse oximeter
PaO2 (partial pressure of arterial oxygen) normal range correct answers -80-100 mm Hg
-measured by ABGs
ABGs correct answers Arterial Blood Gases
pH 7.35- 7.45
HCO3 (Bicarbonate) normal values 22-26 mEq/L
PaCO2 ( CO2 or carbon dioxide content) 35-45 mm Hg
PaO2 (oxygen saturation in arteria blood)- 80-100 mm Hg
chest tube correct answers Catheter inserted through the thorax into the chest cavity for removing
air or fluid; used after chest or heart surgery or pneumothorax.