22 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = [FiO2 ... Hypoventilation Syndrome ... Hepatopulmonary Syndrome ... arterial #pulmonary #Hypoxia ... #hypoxemia #differential
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... Hypoventilation Syndrome ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Respiratory Distress Syndrome ... severity of the hypoxemia ... mm Hg < PaO2 / FiO2 ... mm Hg < PaO2 / FiO2 ... Respiratory #Distress #Syndrome
General schema for respiratory support in patients with COVID-19
Low flow nasal cannula
 • Typically set at
in more severe hypoxemia ... for refractory hypoxemia ... patients with PaO2/FiO2 ... #criticalcare #hypoxia ... #failure #algorithm
Mechanical ventilation in obese patients according to the i-STAR Algorithm
Intubate
 • Anticipate difficult airway management and
to the i-STAR Algorithm ... ARDSnet low-PEEP table ... recruitment • FiO2 ... : avoid hyperoxia ... patients #iSTAR #Algorithm
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Differential Diagnosis Algorithm ... vasoconstriction syndrome ... Hypocalcemia, Cerebral Hypoxia ... Differential #Diagnosis #Algorithm
Causes of Growth Discrepancy: Large for Gestational Age - Differential Diagnosis Algorithm
Maternal Factors:
 • Multiparity
 •
Differential Diagnosis Algorithm ... Sotos syndrome, ... , Weaver's syndrome ... palsy secondary to hypoxia ... Differential #Diagnosis #Algorithm
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Differential Diagnosis Algorithm ... Pulmonary Embolism • Hypoxia ... • Sick Sinus Syndrome ... • Tachy-Brady Syndrome ... Differential #Diagnosis #Algorithm
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Respiratory Distress Syndrome ... congestion with hypoxemia ... or CXR ● PaO2/FiO2 ... RespiratoryDistress #Syndrome
ISCHEMIA Trial - Management Algorithm for patients with Stable Angina

Stress Test -> ? +moderate or severe
Trial - Management Algorithm ... patients with Stable ... acute coronary syndrome ... #ISCHEMIA #Stable ... Diagnosis #Management #Algorithm