27 results
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Chest Pain - Diagnosis ... life-threatening causes ... Pneumothorax • Pulmonary ... EKG • Bedside ultrasound ... • CXR • CBC
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... Hypoventilation Syndrome ... Left Shunt - Anatomic ... Hepatopulmonary Syndrome ... #differential #diagnosis
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Acute Respiratory ... – ARDS: Clinical ... detected on CT or CXR ... <300mmHg with a ... Summary #CheatSheet #Diagnosis
Here are the most common examples of these four patterns on a chest x-ray (click image
four patterns on a ... mass - Solitary Pulmonary ... Atelectasis #Diagnosis ... #Clinical #Radiology ... #CXR #Consolidation
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Associated Lung Ultrasound ... pleura in severe cases ... severity Acute Respiratory ... Distress Syndrome ... #differential #diagnosis
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Causes include: ... Physical/Labs: • A ... ischemic changes CXR ... Etiology: • Acute respiratory ... distress syndrome
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Distress Syndrome ... known clinical insult ... consistent with pulmonary ... chest radiograph ... Definition #Criteria #Diagnosis
Platypnea-Orthodeoxia Syndrome on Physical Exam
The case of a patient with a diagnosis of cirrhosis and platypnea-orthodeoxia
Physical Exam The case ... a diagnosis of ... observe how the respiratory ... #PhysicalExam #clinical ... #pulmonary
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... between these chest ... Pulmonary hemorrhage ... #Clinical #Diagnosis ... #Radiology #CXR
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
• Mounier-Kuhn syndrome ... dyskinesia • Young syndrome ... parenchyma Diagnosis ... Immunoglobulins (Ig M, A, ... #differential #diagnosis