27 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... Left Shunt - Anatomic ... Intracardiac, Pulmonary ... #Hypoxia #hypoxemia ... #differential #
COVID-19 Hypoxia Management

Indication for endotracheal intubation?
Tolerating supplemental oxygen?
Consider HFNC
Not tolerating HFNC or HFNC is not available?
Consider
COVID-19 Hypoxia ... CONSIDER: a trial ... Society of Critical ... Guidelines #respiratory ... #failure #algorithm
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... , defecation) Respiratory ... : • Pulmonary ... Embolism • Hypoxia ... #causes
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... M Methanol A ... , pain, fever, hypoxia ... Classically” noted with pulmonary ... with associated hypoxia
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - Differential ... administration of a ... dyspnea, tachypnea, hypoxemia ... by a massive PE ... #differential #diagnosis
General schema for respiratory support in patients with COVID-19
Low flow nasal cannula
 • Typically set at
General schema for respiratory ... • Proning is a ... Internet Book of Critical ... support #COVID19 #management ... #failure #algorithm
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Acute Respiratory ... Syndrome – ARDS: Clinical ... congestion with hypoxemia ... <300mmHg with a ... the underlying cause
Platypnea-Orthodeoxia Syndrome on Physical Exam
The case of a patient with a diagnosis of cirrhosis and platypnea-orthodeoxia
Physical Exam The case ... positional dyspnea and hypoxemia ... observe how the respiratory ... #PhysicalExam #clinical ... #pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... Chronic cough • Hypoxia ... wheezing, and inspiratory ... Immunoglobulins (Ig M, A, ... #differential #
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Lactic Acidosis - Differential ... clinical prognostic ... multitude of clinical ... output - Acute pulmonary ... Acidosis #Elevation #Differential