28 results
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Hyperacute Hypoxemia ... Embolism, Pneumothorax ... Troponin), ABG, STAT CXR ... #Hyperacute #Hypoxemia ... #Hypoxia #Workup
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... Hypoventilation Syndrome ... Abnormalities #Hypoxemia ... #Hypoxia #Differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... direction leads to hypoxemia ... embolus SHUNT ... hepatopulmonary syndrome ... Respiratory #Failure #hypoxia
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... Embolism, Obstructive ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential #diagnosis
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Ultrasound Findings ... point (hard to ... Respiratory Distress Syndrome ... Embolism (PE): ... #differential #diagnosis
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Respiratory Distress Syndrome ... congestion with hypoxemia ... detected on CT or CXR ... Summary #CheatSheet #Diagnosis ... #Management #CriticalCare
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... infiltrate (e.g., CXR ... , CT, ultrasound ... signs (tachypnea, hypoxemia ... #Pulmonolary
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Vascular Joint Pain ... - Differential Diagnosis ... Extremities or Hyperemia ... e.g. fractured long ... Marfan's Syndrome
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
- Differential Diagnosis ... Respiratory: • Pulmonary ... EmbolismHypoxia ... • Sick Sinus Syndrome ... #Differential #Diagnosis
Ventilator Troubleshooting Summary
High PIP, nl Pplat:
 - DDx: Tubing problem, Bronchospasm, Secretions
 - Next Steps: Check
Next Steps: BS, CXR ... DDx: Obstructive lung ... Bronchodilators/Steroids Hypoxemia ... Troubleshooting #diagnosis ... #management #pulmonary