40 results
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• No Treatment ... No Treatment. ... Brady Management ... ) • Treatment: ... HeartBlocks #Types #Classification
Cyanide Toxicity 
Treatment:
1) Hydroxocobalamin + Cyanide = Cyanocobalamin (nontoxic) 
   or 
2) Amyl nitrite
Cyanide Toxicity Treatment ... Amyl nitrite - causes ... Cyanide #Toxicity #Toxicology ... Pathophysiology #Management ... #Treatment
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Differential Diagnosis by Classification ... bradycardia • Sinus pauses ... • AV block ... Differential #Diagnosis #Classification ... #Table #Causes
Fever vs Hyperthermia
Fever:
 • Regulated in the hypothalamic thermoregulatory center
 • "Set point" raised by prostaglandin
• Antipyretics block ... production • Treatment ... antipyretics to block ... comparison #diagnosis #management ... #treatment
Table 3. Antidotes that may be used in cardiac arrest (The A to P of treatment
Table 3. ... (The A to P of treatment ... ) 81 402–407 #Management ... #Toxicology #Antidotes ... Arrest #AtoP #ABCs #Table
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
Diagnostic and Management ... sick sinus, AV block ... LIFE THREATENING CAUSES ... & TREATMENT - ... #Diagnosis #Management
In addition to management of ABCs, exposure to nerve gases requires antidotes. There are 3 important
exposure to nerve gases ... important drug classes ... #Management #Toxicology ... #NerveAgents #Treatment ... #Table
Salicylate Toxicity - Diagnosis and Management

Consider if:
1) Patient is hot and altered
2) You see tachypnea with
Diagnosis and Management ... no respiratory cause ... Aspirin #Toxicity #Toxicology ... #diagnosis #management ... #Treatment
Carbon Monoxide Poisoning

Symptoms are non-specific:
 - Headache 90%
 - Nausea/vomiting 50%
 - Vertigo 50%
 - Altered
Headache 90% - Nausea ... Treatment: 100% ... Monoxide #Poisoning #Toxicology ... #diagnosis #management
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
eyelash follicle • Cause ... , swelling • Treatment ... upper lid • Cause ... Clinical #Diagnosis #Management ... Chalazion #Comparison #Table