23 results
H’s and T’s Mnemonic - Causes of Cardiac Arrest
H's - Hypovolemia, Hypoxia, Hydrogen Ions (acidosis), Hyperkalemia
T’s Mnemonic - Causes ... of Cardiac Arrest ... #Causes #differential ... #diagnosis #acls ... #checklist
“H’s & T’s“ - The reversible causes of Cardiac Arrest 
Hypovolemia, Hypoxia/Hypoxemia, Hydrogen Ion Excess (Acidosis),
The reversible causes ... of Cardiac Arrest ... #HsTs #acls #differential ... #diagnosis #arrest ... #management
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Acidosis - RTA ... #Differential # ... Algorithm #Diagnosis ... #Causes #Workup
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypercalcemia - Hypokalemia ... Hypomagnesemia #Differential ... #Diagnosis #Low ... Magnesium #Table #Classification ... #Causes #Workup
Cardiac Tamponade - Guidelines for Crises in Anaesthesia
Caused by an accumulation of blood, pus, effusion fluid
Call for cardiac arrest ... Plan definitive management ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
CardiacArrest #Checklist ... #Differential # ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... Renin/Aldosterone, RTA ... reabsorption) Workup ... only if no clear cause ... #Diagnosis #Management
Local Anaesthetic Toxicity - Guidelines for Crises in Anaesthesia
Signs of severe toxicity:
 • Sudden alteration in
Guidelines for Crises ... If circulatory arrest ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
Unexpected cardiac arrest ... Call for cardiac arrest ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... #Hyperthermia #Differential ... #Anesthesia #Checklist ... #Diagnosis #Management ... #Workup