80 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = PAO2 ... - PaO2 A-a gradient ... (Patm - 47) - (PaCO2 ... : Atelectasis, ARDS ... #differential #diagnosis
PROSEVA definition of ARDS
Thus, the PROSEVA trial essentially modifies the Berlin definition of ARDS, with the
definition of ARDS ... definition of ARDS ... requires that the PaO2 ... #Diagnosis #CriticalCare ... #ARDS #PROSEVA
Understanding & Treating ARDS - Acute Respiratory Distress Syndrome

•  Timing - within one week of
Understanding & Treating ARDS ... Impaired Oxygenation PaO2 ... @nickmmark #ARDS ... Acute #Syndrome #Diagnosis
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
type of hypoxia) PIO2 ... O2 is inspired) PAO2 ... Low SvO2 → Low PaO2 ... #differential #diagnosis ... #causes #pathophysiology
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Distress Syndrome (ARDS ... severity of the ARDS ... - 200 mm Hg < PaO2 ... >= 5cm H2O #ARDS ... Definition #Criteria #Diagnosis
HIV Associated Infections Based on CD4 Count 

#Diagnosis #InfectiousDisease #CD4Count #HIV #AIDS #Opportunistic #Infections #OI #Table
Infections Based on CD4 ... Count #Diagnosis ... CD4Count #HIV #AIDS ... #Prophylaxis #CD4
Basics of Waveform Capnography
Waveform capnography assesses ventilation by monitoring exhaled carbon dioxide
Can use measurement and morphology
cycle to uncover pathophysiology ... regarding pulmonary pathophysiology ... Assessing for CO2 ... Transition as CO2 ... interpretation #patterns #diagnosis
Natural History of HIV Infection - Timeline of Progression
Acute:
 • Viral Transmission → High VL (steady
by 6 months) • CD4 ... : • CD4 < 200 or ... ART: • CD4 may ... #Progression #diagnosis ... #AIDS #history
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Distress Syndrome – ARDS ... on CT or CXR ● PaO2 ... sepsis-associated ARDS ... days after dx of ARDS ... Summary #CheatSheet #Diagnosis
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Infections in HIV-AIDS ... Parainfluenza • CD4 ... ) Fungal: • CD4 ... Parasitic: • CD4 ... HIVAIDS #workup #diagnosis