20 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 - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
35-45 mmHg • PaO2 ... Metabolic: pH pCO2 ... D-lactate (short bowel syndrome ... Classically” noted with pulmonary ... MDaniyalHashmi1 #AcidBase
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Respiratory Distress Syndrome ... consistent with pulmonary ... lung collapse, or pulmonary ... - 200 mm Hg < PaO2 ... Respiratory #Distress #Syndrome
Platypnea-Orthodeoxia Syndrome on Physical Exam
The case of a patient with a diagnosis of cirrhosis and platypnea-orthodeoxia
Platypnea-Orthodeoxia Syndrome ... platypnea-orthodeoxia syndrome ... to 90% (and in paO2 ... #Orthodeoxia #Syndrome ... #respiratory #pulmonary
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
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Respiratory Distress Syndrome ... leading to increased pulmonary ... consistent with pulmonary ... on CT or CXR ● PaO2 ... RespiratoryDistress #Syndrome
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary Syndrome ... • Orthopnea - PaO2 ... cirrhosis • Intra-pulmonary ... perfusion scanning or pulmonary ... hepatopulmonary #syndrome
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Pulmonary Pathology ... ) Cardiogenic Pulmonary ... Respiratory Distress Syndrome ... submassive PE) POCUS ... #signs #Lung #POCUS
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
in normal lung, pulmonary ... disease, idiopathic pulmonary ... due to alveolar syndrome ... fibrotic alveolar syndrome ... Diagnosis #HRCT #POCUS
COVID-19 Findings on Lung ultrasound
 - Thickened pleural line
 - B lines (multifocal, discrete, or confluent)
alveolar interstitial syndrome ... patients with pulmonary ... Lung #ultrasound #POCUS