25 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
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Hypoxemic Respiratory ... Failure - Differential ... Diagnosis Framework ... #hypoxia #Differential ... #Diagnosis #pulmonary
Stridor - Differential Diagnosis Framework:
High-pitched, variable respiratory sound

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
Stridor - Differential ... Diagnosis Framework ... Tracheomalacia • Vascular ... #pulmonary #airway ... #physicalexam
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... Hypoventilation Syndrome, Muscular ... #Hypoxia #hypoxemia ... #differential # ... diagnosis
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
Platypnea-Orthodeoxia Syndrome on Physical Exam
The case of a patient with a diagnosis of cirrhosis and platypnea-orthodeoxia
patient with a diagnosis ... positional dyspnea and hypoxemia ... Orthodeoxia #Syndrome #PhysicalExam ... #clinical #video ... #pulmonary
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - Differential ... Diagnosis Framework ... • Symptoms: Hypoxemic ... edema #causes #differential ... #diagnosis #NCPE
An Algorithm for the Diagnosis of Wheezing and Stridor

Stridor: Louder, constant-pitch sound over central airways
Wheezing: Musical
Algorithm for the Diagnosis ... Peribronchial pulmonary ... Noisy #Breathing #differential ... #diagnosis #algorithm ... #pulmonary
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Edema - Differential ... Diagnosis Framework ... vascular congestion ... Etiology: • Acute respiratory ... #diagnosis #cardiology