31 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... Shunt: Cardiac, Vascular ... #Hypoxia #Differential ... #pulmonary #Aa
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... Asthma, COPD) • Vascular ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Posterior Mediastinal Mass - Differential Diagnosis
 • Neurofibroma
 • Neurosarcoma
 • Neuroblastoma
 • Ganglioneuroma
 • Meningocele
Mediastinal Mass - Differential ... Diagnosis • Neurofibroma ... Chondrosarcoma • Vascular ... #Diagnosis #pulmonary ... #radiology #chest
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Diagnosis Algorithm ... Pulmonary Arterial ... Diastolic • Valvular ... Disease and/or Hypoxemia
Mediastinal Widening - Differential Diagnosis

 • Vascular: Aortic dissection, Aortic anourysm, Enlarged pulmonary arteries, Venous or
Mediastinal Widening - Differential ... Diagnosis • ... Vascular: Aortic ... #Diagnosis #pulmonary ... #radiology
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Chest Pain - Differential ... Diagnosis Algorithm ... Mediastinal Causes: - Vascular ... #Differential # ... Diagnosis #Algorithm
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome, Muscular ... Intracardiac, Pulmonary ... #Hypoxia #hypoxemia ... #differential # ... diagnosis
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
• ACQUIRED VALVULAR ... PHAEOCHROMOCYTOMA • PULMONARY ... DISEASE • HYPOXIA ... Palpitations #Causes #Differential ... #Diagnosis #Cardiology
Chest Pain - Differential Diagnosis Framework

Cardiovascular Causes of Chest Pain:
 • Myocardium:
	- Myocarditis
	- CAD/ACS
	- Valvulopathy
	- Myopericarditis
Chest Pain - Differential ... Diagnosis Framework ... Myopericarditis • Vascular ... - Tamponade Pulmonary ... #Cardiology
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
) Day 2 - some pulmonary ... normal-sized heart and vascular ... structures help in the differential ... diagnosis of pulmonary ... #Clinical #Radiology