11 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... neuromuscular disease, ↓ chest ... Shunt: Cardiac, Vascular ... #Hypoxia #Differential ... #pulmonary #Aa
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... Asthma, COPD) • Vascular ... Abnormalities • Chest ... #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
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Chest Pain - Differential ... Diagnosis Algorithm ... Mediastinal Causes: - Vascular ... ChestPain #Noncardiac #Cardiology ... #Differential #
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
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... #Hypoxia #hypoxemia ... #differential # ... diagnosis
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
• ACQUIRED VALVULAR ... PHAEOCHROMOCYTOMA • PULMONARY ... DISEASE • HYPOXIA ... Palpitations #Causes #Differential ... #Diagnosis #Cardiology
Differential Diagnosis of Respiratory Acid-Base Disorders
Alkalosis
A. Central nervous system stimulation: Pain, Anxiety, psychosis, Fever, Cerebrovascular accident,
Differential Diagnosis ... Hypoxemia or tissue ... hypoxia: High altitude ... , Pneumonia, pulmonary ... Stimulation of chest
Quincke's Pulse in a patient with a normal echocardiogram (non-valvular)

A 70 y/o man presents with new
is identified (video ... highest on my differential ... AorticRegurgitation #Diagnosis ... #PhysicalExam # ... Fingernails #Nailbed #Cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... flip-flopping in the chest ... Pheochromocytoma • Pulmonary ... #Palpitations #Cardiology ... #Differential #