Cao2 - Study guides, Class notes & Summaries

Alveolar Oxygen Tension (PAO2)/Alveolar Air Equation correct answer: Shortcut: (Fio2 x 7) -Paco2 +10 VD/VT and ratio correct answer: Paco2-Peco2/Paco2 Make it a ratio by multiply answer by 100. 20-40% (up to 60% for vent pts) Alveolar Minute Ventilation correct answer: (VT-VD) x f Anatomic deadspace correct answer: 1ml per 1lb body weight Work of breathing correct answer: change in Pressure X change in Volume .5-.7 J/L (.05-.07 kg-m/l) Alveolar-Arterial Oxygen Gradient (P(A-a...

Cardiac output formula Correct Answer-HR x SV = CO (L/min) Stroke Volume formula Correct Answer-EDV- ESV = SV (mL/min) Cardiac Index formula Correct Answer-CO/BSA = CI (L/min/m2) Fick CO formula Correct Answer-VO2/(CaO2-CvO2) x10 = Fick CO (L/min) VO2 formula Correct Answer-125 x BSA = VO2 (O2/min) Flamm equation for true Mixed Venous Correct Answer-3 (SVC) + 1 (IVC)/4 = Mixed venous sats Systematic Blood Flow Equation (SBF or Qs) Correct Answer-VO2/(CaO2 - CmvO2) x 10 = SBF (L...

indications for NIV CPAP / BiPAP (6) correct answers -sleep apnea central or obstructive -worsening alveolar hypoventilation -hypoxemia w/ supplemental oxygen -acute resp acidosis w/ increase WOB -intubation contraindicated -weaning phase post-extubation to avoid reintubation intubation criteria correct answers -acute vent failure: PH < 7.25 or 7.30, CO2 > 50 , apnea -severe hypoxemia:PaO2, SaO2, CaO2, Qs/Qt, P/F ratio, A-a gradient - 60-60 rule -impending vent failure: progr...

A patient is admitted to the ED following a vehicle accident. On physical exam, the RT discovers that breath sounds are absent in the left chest with a hyper resonant percussion note. The trachea is shifted to the right. The patient's heart rate is 45/min, RR is 30/min and BP is 60/40 mmHg. What action should the therapist reccomend first? - ANSWER- Needle aspirate the 2nd left intercostal space A 65kg spinal cord injured patient has developed atelectasis. His inspiratory capacity is 30% ...

A patient is admitted to the ED following a vehicle accident. On physical exam, the RT discovers that breath sounds are absent in the left chest with a hyper resonant percussion note. The trachea is shifted to the right. The patient's heart rate is 45/min, RR is 30/min and BP is 60/40 mmHg. What action should the therapist reccomend first? - ANSWERSNeedle aspirate the 2nd left intercostal space A 65kg spinal cord injured patient has developed atelectasis. His inspiratory capacity is 30% of h...

a. manual dexterity -Answer The respiratory therapist should evaluate which of the following to develop a teaching plan for a patient who will be using a small volume nebulizer at home? a. manual dexterity b. highest grade level achieved in school c. spousal support d. English speaking proficiency d. bronchoscopy -Answer Which of the following would be most beneficial in resolving microatelectasis? a. chest tubes b. percutaneous ventilation c. thoracentesis d. bronchoscopy b. oro...

TMC EXAM C REVIEW QUESTIONS AND ANSWERS, 100% ACCURATE, RATED A+ a. manual dexterity - -The respiratory therapist should evaluate which of the following to develop a teaching plan for a patient who will be using a small volume nebulizer at home? a. manual dexterity b. highest grade level achieved in school c. spousal support d. English speaking proficiency d. bronchoscopy - -Which of the following would be most beneficial in resolving microatelectasis? a. chest tubes b. percutaneous v...

A patient is admitted to the ED following a vehicle accident. On physical exam, the RT discovers that breath sounds are absent in the left chest with a hyper resonant percussion note. The trachea is shifted to the right. The patient's heart rate is 45/min, RR is 30/min and BP is 60/40 mmHg. What action should the therapist reccomend first? - Needle aspirate the 2nd left intercostal space A 65kg spinal cord injured patient has developed atelectasis. His inspiratory capacity is 30% of his pred...

Pulmonary Vascular Resistance (PVR) - correct answer PVR = (mPAP - PCWP)/C.O. x 80 Systemic Vascular Resistance (SVR) - correct answer SVR = (MAP - CVP)/C.O. x 80 Cardiac Output (C.O.) - correct answer QT= (VO2)/C(a-v)O2 x 10 Pulse Pressure - correct answer Pulse px = systolic - diastolic Alveolar Oxyge...

70/30 Heliox Factor - correct answer 1.6x Obstructive Disorders - correct answer Cystic Fibrosis Bronchiectasis Asthma Bronchitis (Chronic) Emphysema Diseases of the airways, not alveoli? - correct answer Obstructive RAW Calculation - correct answer PIP-Plat/Flow RAW Normal Value - correct answe...