491 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... Intracardiac, Pulmonary ... Hepatopulmonary Syndrome ... V/Q Mismatch: Pulmonary ... , Atelectasis, Pulmonary
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Differential Diagnosis Algorithm ... Respiratory Acidosis (pCO2 ... Respiratory Alkalosis (pCO2 ... Differential #Diagnosis #Algorithm ... #Causes #Compensation
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 ... Hypoxemia #summary #pulmonary ... differential #diagnosis #causes
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
HYPOVENTILATION • Rising PaCO2 ... obesity-hypoventilation syndrome ... lung diseases, pulmonary ... asthma, COPD, pulmonary ... hepatopulmonary syndrome
Causes of Recurrent Pregnancy Loss - Differential Diagnosis Algorithm
Environmental:
 • Toxin (organic solvents, mercury, lead)
 •
Causes of Recurrent ... Differential Diagnosis Algorithm ... Antiphospholipid syndrome ... hyperthyroidism • PCOS ... #Causes #Obstetrics
Basics of Waveform Capnography
Waveform capnography assesses ventilation by monitoring exhaled carbon dioxide
Can use measurement and morphology
data regarding pulmonary ... pathophysiology CLINICAL ... WAVEFORM - Critical ... output state - Pulmonary ... patterns #diagnosis #pulmonary
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural ... Differential Diagnosis Algorithm ... Malignancy • Pulmonary ... #Diagnosis #Algorithm ... #Hepatology #causes
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Respiratory Distress Syndrome ... – ARDS: Clinical ... leading to increased pulmonary ... on CT or CXR ● PaO2 ... the underlying cause
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 ... D-lactate (short bowel syndrome ... Classically” noted with pulmonary
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... Hypoventilation Syndrome ... Differential #Diagnosis #Algorithm ... #Causes #Pulmonary