21 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... • Pulmonary Arterial ... Defect ** • Atrial ... Hypoventilation Syndrome
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... obesity-hypoventilation syndrome ... hepatopulmonary syndrome ... shunting (eg, atrial ... Failure #hypoxia #Differential
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
• Sick Sinus Syndrome ... • Premature atrial ... Monofocal Ectopic Atrial ... • Multifocal Atrial ... Diagnosis #Algorithm #causes
Right-Sided Heart Failure - Differential Diagnosis Algorithm
Cardiac Causes - Rule out Left-Sided Heart Failure (Most Common):
Heart Failure - Differential ... • Diffuse Lung ... Respiratory Distress Syndrome ... • Chronic Lung ... Primary Pulmonary Arterial
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Ultrasound Findings ... pleura in severe cases ... Respiratory Distress Syndrome ... #pulmonary #differential ... #POCUS #ultrasound
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... disease - Renal ultrasound ... Duplex Doppler ultrasound ... selective renal intra-arterial ... • Cushing’s syndrome
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
tachycardia (2) Atrial ... (3) SVTs - atrial ... (3) Multifocal atrial ... (2) Sick Sinus Syndrome ... electrocardiogram #cardiology #differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... toxo IgG • CNS PCR ... lesions • 80% with lung ... Lesions #Brain #differential ... #diagnosis #causes
Lemierre's Syndrome on Neck POCUS with IJ Thrombosis - Transverse View

Male with high fever and right
on Neck POCUS with ... Differential/diagnosis ... case. ... On ultrasound note ... septic emboli in lungs
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Inherited arrhythmia syndromes ... (e.g., long QT ... syndrome, ARVC) ... capture of the atria ... arrhythmia • Atrial