32 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Intracardiac, Pulmonary ... : Atelectasis, ARDS ... V/Q Mismatch: Pulmonary ... , Atelectasis, Pulmonary ... Diffusion Defect: Pulmonary
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Distress Syndrome (ARDS ... consistent with pulmonary ... lung collapse, or pulmonary ... severity of the ARDS ... >= 5cm H2O #ARDS
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Distress Syndrome – ARDS ... leading to increased pulmonary ... consistent with pulmonary ... on CT or CXR ● PaO2 ... Management ● Early
Mechanical ventilation in obese patients according to the i-STAR Algorithm
Intubate
 • Anticipate difficult airway management and
difficult airway management ... 6 mL'kg PBW in ARDS ... 8 mL4(g in non-ARDS ... minimal to keep PaO2 ... ventilation #obese #Management
Understanding & Treating ARDS - Acute Respiratory Distress Syndrome

•  Timing - within one week of
Understanding & Treating ARDS ... Impaired Oxygenation PaO2 ... @nickmmark #ARDS ... Syndrome #Diagnosis #Management
A Non-Invasive approach to Respiratory Failure
 • COPD and Ventilatory Failure → NiPPV with Bi-level Settings
Settings • CHF / Pulmonary ... • Pneumonia or ARDS ... Respiratory #Failure #management
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
7.35-7.45 • PaCO2 ... 35-45 mmHg • PaO2 ... Metabolic: pH pCO2 ... Classically” noted with pulmonary ... MDaniyalHashmi1 #AcidBase
HFNC compared to NIV
HFNC:
- Comfort - Higher comfort  Eating, drinking and speaking less impaired 
-
Mostly reduced - CO2 ... Nasopharyngeal CO2 ... application - Pulmonary ... pressure - Extra pulmonary ... #comparison #management
Leptospirosis
Pathogen: Leptospira (interrogans, kirschneri, noguchii)
Risk Factors:
 • Occupational exposure - Farmers, ranchers, trappers, veterinarians
 • Recreational
failure • Severe pulmonary ... disease ARDS Diagnosis ... diagnosis #treatment #management
Severe Asthma Exacerbation
Signs of a Severe Asthma Exacerbation:
 • Vitals: ↑HR ↑RR ↓SpO2
 • High work
ABG: - High pCO2 ... #CriticalCare #pulmonary ... ventilation #mechanical #management