However, in practice while performing CPR often in stressful situations, it is difficult to remember all 4 “Ts” and 4 “Hs” causes (hypoxia, hypokalaemia/hyperkalaemia, hypothermia/hyperthermia, hypovolaemia, tension pneumothorax, tamponade, thrombosis, toxins), especially for medical students, young doctors and doctors ...

What are the 5 HS and T's?

Rapidly identify and treat causes of non-shockable arrest (PEA, asystole). Important causes include the 5 H's and 5 T's: Hypoxia, Hypovolemia, Hydrogen ions (acidosis), Hyper/Hypo-kalemia, Hypothermia; Tension pneumothorax, Tamponade-cardiac, Toxins, Thrombosis-coronary (MI), Thrombosis-pulmonary (PE).

What are the 5 H's?

The Five Ws, Five Ws and one H, or the Six Ws are questions whose answers are considered basic in information-gathering. They include Who, What, When Where, and Why. The 5 Ws are often mentioned in journalism (cf. news style), research, and police investigations.