181 results
Common Medications Known to Prolong QTc
Antiarrhythmics - Amiodarone, sotalol, flecainide, quinidine, dronedarone, dofetilide
Vasopressors/inotropes - Epinephrine, norepinephrine,
- Macrolides, quinolones ... #Medications #Causes ... #pharmacology #table
Cyanide Toxicity 
Treatment:
1) Hydroxocobalamin + Cyanide = Cyanocobalamin (nontoxic) 
   or 
2) Amyl nitrite
Cyanide Toxicity Treatment ... : 1) Hydroxocobalamin ... Amyl nitrite - causes ... Pathophysiology #Management #Treatment
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm
Drugs that prolong QT interval:
 • Class 1a (quinidine,
Macrolides and quinolones ... Hypocalcemia (rarely) Treatment ... after load: 0.5-1 ... Pediatric: 0.1-1 ... 1b (lidocaine)- case
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
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
trolley, anaphylaxis treatment ... require prolonged treatment ... crystalloid: 20 ml.kg-1 ... as patient is stable ... repeat sample at 1-
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
oxidative iniury Treatment ... : 1. ... per day until stable ... Management #Summary #causes ... #treatment
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
to 1:1 F:M • Clinical ... constitutional symptoms • Treatment ... Discontinuation of causal ... life-threatening • Treatment ... sle #comparison #table
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Pathophysiology: 1. ... antibiotics once stable ... shows a small, stable ... #differential #causes
Gerstmann Syndrome
1) Finger agnosia - Inability to name their own fingers, affecting both sides
2) Right-left confusion
Gerstmann Syndrome 1) ... patient is still able ... to copy Causes ... : Stroke (main cause
Fever vs Hyperthermia
Fever:
 • Regulated in the hypothalamic thermoregulatory center
 • "Set point" raised by prostaglandin
Cytokines (IL-1, ... production • Treatment ... rapidly fatal • Causes ... Identify underlying cause ... Cooling blankets can cause