3477 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... Ventricular Septal Defect ... Atrial Septal Defect ... Pulmonary Right ... Hypoxemia #Hypoxia #Differential
Clues to Differential Diagnosis of Central Cyanosis: Onset of cyanosis, Clubbing, Secondary erythrocytosis, Auscultation, X-ray, Echocardiography,
Clues to Differential ... Cyanotic heart defect ... - Pulmonary diseases ... - Pulmonary AV ... #Cyanosis #Differential
Causes of Cyanosis in the Newborn - Differential Diagnosis Algorithm
Peripheral Only:
 • Poor Perfusion
 • Acrocyanosis
Hemoglobinopathy:
the Newborn - Differential ... Ventricular Septal Defect ... Atrial Septal Defect ... Total Anomalous Pulmonary ... Cyanosis #Newborn #Differential
Undifferentiated critical congenital heart disease: Patterns of Presentation 
Pink baby:
 • Presents at 1-6 mo
VSD, AV canal defect ... if cardiac or pulmonary ... catch blue baby defects ... #presentation #Differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... lung diseases, pulmonary ... reversible diffusion defects ... ventricular septal defects ... Failure #hypoxia #Differential
Auscultation of Split S2 - Differential Diagnosis
 • Normal or physiologic
 • Wide, fixed splitting -Atrial
of Split S2 - Differential ... -Atrial septal defect ... inspiration - Pulmonary ... cardiomyopathy #Split #S2 #Differential
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Intracardiac, Pulmonary ... V/Q Mismatch: Pulmonary ... • Diffusion Defect ... : Pulmonary Fibrosis ... Hypoxia #hypoxemia #differential
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Pressure Waveforms - Differential ... atrial myxoma, pulmonary ... atrial septal defect ... Waveforms #JVP #Differential
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
lymphadenopathy, pulmonary ... focal neurological deficits ... focal neurological deficits ... Children with pulmonary ... Tuberculosis #diagnosis #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... claudication, pulse deficits ... impairment, neurologic deficits ... #Vasculitis #Differential