89 results
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... High altitude (eg ... respiratory drive due to neurologic ... intracardiac shunting (eg ... Failure #hypoxia #Differential
Prolonged neuromuscular blockade - Differential Diagnosis
- Drugs, Acid-base Disorders, Metabolic, Neurologic, Electrolyte abnormalities

By Mark Harris, MD
neuromuscular blockade - Differential ... Disorders, Metabolic, Neurologic ... blockade #Prolonged #Differential ... #Diagnosis #Anesthesiology ... #Causes #complications
Causes of Prolonged Emergence - Anesthesiology

Prolonged Drug Action:
• Overdose 
• Hypothermia (< 33 C) 
• Incr
Causes of Prolonged ... Emergence - Anesthesiology ... • Alcohol Neurologic ... Prolonged #Emergence #Anesthesiology ... #Causes #Differential
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
Hemorrhagic Pericardial Effusions ... Hemopericardium)- Differential ... • Malignancy (e.g ... OTHER RARE CAUSES ... Hemopericardium #Differential
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... Sepsis (→ 3-14) e.g ... Phaeochromocytoma Neurologic ... #Hyperthermia #Differential ... #Causes #Anesthesiology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - Causes ... Deep coma (any cause ... polyneuropathy (e.g ... #differential # ... diagnosis #table #neurology
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
repolarization causes ... in conduction causes ... prolonged PR and QT ... sine wave (QRS-T fusion ... #ECG #Changes #
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
(Many causes!) ... * (most common cause ... • Infection (e.g ... Syndrome #diagnosis #neurology ... #differential
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Chest Pain - Differential ... Cardiovascular Causes ... • Pleural Effusion ... • Trauma - Neurologic ... Noncardiac #Cardiology #Differential
Causes of Pediatric Constipation - Differential Diagnosis Algorithm
Dietary / Functional:
 • Insufficient Volume / Bulk
Neurologic:
 •
Causes of Pediatric ... Constipation - Differential ... Volume / Bulk Neurologic ... Withholding • Painful (e.g ... #Constipation #Differential