63 results
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
• Asthma • COPD ... obstruction • Paradoxical ... PVFM) Cardiac Causes ... Hematologic Causes ... acidosis of any cause
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - Causes ... , Acute spinal cord ... Deep coma (any cause ... finding in spinal cord ... differential #diagnosis #table
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Artery Disease • Stable ... • Asthma • COPD ... Pneumonia • ARDS • COPD ... Diagnosis #Algorithm #Causes
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
e.g. pneumonia, COPD ... Differential #Diagnosis #Table ... #Causes #Sodium
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
eyelash follicle • Cause ... , swelling • Treatment ... upper lid • Cause ... painless lump • Treatment ... Chalazion #Comparison #Table
Daliresp (Roflumilast) 
Indication: Reduce risk of COPD exacerbations 
Drug Class: Selective Phosphodiesterase-4 (PDE4) Inhibitor 
GOLD 2019
Reduce risk of COPD ... Initiate if severe COPD ... Dosing: 250 mcg tablet ... recommendations for the treatment ... of COPD.
Gerstmann Syndrome
1) Finger agnosia - Inability to name their own fingers, affecting both sides
2) Right-left confusion
patient is still able ... to copy Causes ... : Stroke (main cause
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
Cold Urticaria Prevalence ... decades of life Causes ... skin contact with cold ... fever, fatigue, Nausea ... rheumatology #comparison #table
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Anaphylaxis - Spinal cord ... exacerbation (any cause ... Classification #Table
Orthopedic Essentials - Spinal Trauma and Spine Classification 
DENIS THREE COLUMN CONCEPT
Anterior column:
fractures: Don't cause ... deficit, still able ... 2 Complete cord ... 3 Incomplete cord ... Cauda equina Treatment