Respiratory Failure And Misc Flashcards
How to diagnosis respiratory failure and its types?
Laboratory diagnostic:
Decrease in PO2 below 60mmhg
With or without a rise of CO2 above 50mmhg
If with = type 2
If without = type 1
What is the mc type of respiratory failure ?
Type 1
Causes of type 1 RF?
Pulmonary edema
Pneumonia
Causes of type 2 RF?
Hypoventillative disease as
COPD
Asthma
What is the pH in type 2 RF?
Respiratory acidosis
C/p of acute hypoxia?
Increase in RR and HR
Decrease in BP
Arrhythmia
Cyanosis
Convulsions
Coma
C/p of chronic hypoxia ?
2ndry polycythemia
Cor pulmonale
Clubbing
C/p of acute hypercapnia ?
Acidosis
Flapping tremors
C/p of chronic hypercapnia?
Papilledema
Hypersomnia
Ttt of RF?
Increase so2 above 60 and % above 90
What is used to increase PaO2 and decrease PaCo2
Mechanical ventilation
What is pneunoconiosis?
Inhalation of medium sized particles
Describe the lung of coal worker?
Bilateral apical rounder opacities
Describe the lung of silicosis
Apical to mid lung lesion
Egg shell calcification of hilar LNS
Describe lung of asbestosis
Lower lung
Clubbing cancer pleura (mesothelioma) and fine Crepitations
What finding will the change the name of mediastinal syndrome ?
If associated with Tracheal compression it is called
Superior Mediastinal $
Ccc exam finding of mediastinal syndrome
Congested non pulsating neck veins
Mc cause of mediastinal syndrome
Bronchogenic carcinoma
Most common anterior mediastinal mass
Thymoma and lymphoma
Most common posterior mediastinal mass
Neurogenic
Mediastinal syndrome + bilateral hilar LNs
Sarcoidosis, TB, mycoplasma, whipple disease, silicosis and still’s disease
When is despine sign positive
Continue to hear whispering pectoriloquy below t4 spine
When is despine sign positive
Posterior mediastinal mass
What is most severe cause of clubbing ?
Lung cancer
