21 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 ... days after dx of ARDS
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
Severe Asthma Exacerbation
Signs of a Severe Asthma Exacerbation:
 • Vitals: ↑HR ↑RR ↓SpO2
 • High work
ABG: - High pCO2 ... of baseline Treatments ... #CriticalCare #pulmonary ... mechanical #management #treatment
Leptospirosis
Pathogen: Leptospira (interrogans, kirschneri, noguchii)
Risk Factors:
 • Occupational exposure - Farmers, ranchers, trappers, veterinarians
 • Recreational
failure • Severe pulmonary ... disease ARDS Diagnosis ... microbiology #diagnosis #treatment
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
transfusion • Criteria: ARDS ... other cause of ARDS ... : 33% • Treatment ... , and CXR with pulmonary ... : No • Treatment
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
• Orthopnea - PaO2 ... cirrhosis • Intra-pulmonary ... perfusion scanning or pulmonary ... ) on room air Treatment ... diagnosis #management #treatment
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Noncardiogenic Pulmonary ... High Altitude Pulmonary ... High-altitude pulmonary ... dissolved in the PaO2 ... respiratory failure or ARDS
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
host): • Chronic pulmonary ... Histoplasmosis Treatment ... Rhinocerebral 2) Pulmonary ... Mucormycosis Treatment ... yeast • At risk: AIDS