Hs and Ts

Question 1

List of Hs

Answer 1

Heart rate
Hypovolemia
Hypoxemia
Hydrogen ions (acidosis)
Hyper/hypo kalemia
Hypoglycemia
Hypocalcemia
Hypo/hyperthermia

Question 2

List of Ts

Answer 2

Toxins
Tamponade
Tension - pneumothorax
Thrombosis - coronary
Thrombosis - pulmonary

Question 3

Considerations for heart rate (vagal stimulus)

Answer 3

Desufflate abdomen
Remove surgical retractors
Remove pressure from
- eyes, neck, ears, brain
Drain bladder

Question 4

Hypovolemia considerations

Answer 4

Give IV fluid bolus
Relative Hypovolemia
- auto-PEEP
- IVC compression
- shock

Question 5

Hypoxemia considerations

Answer 5

O2 at 100%, 10-15L
Check circuit connections
Confirm ETT placements with CO2
Check breath sounds
Suction ETT
Consider CXR/bronch

Question 6

Hyperkalemia treatment

Answer 6

1g Calcium chloride
1 amp (50mEq) bicarbonate
5-10u insulin IV with D50
HD

Question 7

Pneumothorax considerations

Answer 7

Check for asymmetric breath sounds, distended neck veins, deviated trachea

High airway pressures

Tachycardia

Hypotension