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Hypothermia - Coggle Diagram
Hypothermia
Heat loss
Radiation
COnvection
Evaporation
Conduction
Respiration
Therapeutic
Post cardiac arrest
HACA
+VE neurological outcome post VF arrest
TTM
33 vs 36 - no difference
HYPERION
non-shockable - improved outcomes
TTM2 - aim for normothermia, avoid hyperthermia
TBI Eurotherm 3235
stopped early due to harm
Perinatal hypoxia
NICE recommends hypoerthermia for 72 hours
Aortic root surgery
deep hypothermic arrest
Classfication
Mild <35
Moderate <32
Severe <28
Causes
Increased loss
Trauma
Surgery
Regional anaesthesia
Cold water immersion
Bruns
Decreased thermogenesis
HYpothyroidusm
Hypoadrenalism
Elderly
Malnutrition
Imparied regulation
Vasodilator
Anaesthetic agents
Behavior
Alcohol
HYpothalamic
stroke
Trauma
tumours
Encephalopathy
Management
CVS
3x shocks in cardaic arrest
Rewarm to >30 degrees
Avoid drugs until >30 degrees
Double dosing times
J point on ECG
Osborn waves
Complications
2-3 degrees /hour
Afterdrop - blood from cool peripheries causes second drop
Reperfusion
Acidosis
Hyperkalaemia
Shock
Hypovalaemic
Cardiogenic
Distributive