1461 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Hypoventilation Syndrome ... Abnormalities #Hypoxemia ... #Hypoxia #Differential
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... Hepatopulmonary Syndrome ... arterial #pulmonary #Hypoxia ... #hypoxemia #differential
Causes of Rhabdomyolysis - Differential Diagnosis
 • Drugs & Toxins (Statins, alcohol, cocaine)
 • Direct Muscle
exercise) • Muscle Hypoxia ... malignant neuroleptic syndrome
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Pulmonary Embolism • Hypoxia ... • Sick Sinus Syndrome ... • Tachy-Brady Syndrome
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
vasoconstriction syndrome ... Hypocalcemia, Cerebral Hypoxia
Causes of Growth Discrepancy: Large for Gestational Age - Differential Diagnosis Algorithm
Maternal Factors:
 • Multiparity
 •
Sotos syndrome, ... Beckwith-Wiedemann syndrome ... , Weaver's syndrome ... palsy secondary to hypoxia
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
obesity-hypoventilation syndrome ... direction leads to hypoxemia ... hepatopulmonary syndrome ... Respiratory #Failure #hypoxia
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
PARKINSON WHITE SYNDROME ... PULMONARY DISEASE • HYPOXIA
High Anion Gap Metabolic Acidosis (HAGMA) - Differential Diagnosis - GOLDMARK

Glycols - ethylene and propylene glycol
Oxoproline
produced during hypoxic ... with short bowel syndrome
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Infections BRASH Syndrome ... Pulmonary: • Hypoxia ... • Tachy-Brady syndrome ... • Sick sinus syndrome ... Propofol infusion syndrome