14 results
“H’s & T’s“ - The reversible causes of Cardiac Arrest 
Hypovolemia, Hypoxia/Hypoxemia, Hydrogen Ion Excess (Acidosis),
causes of Cardiac Arrest ... Hydrogen Ion Excess (Acidosis ... Thrombosis (Coronary) #HsTs ... #acls #differential ... #diagnosis #arrest
Cardiac Arrest - H's and T's

HYPOVOLEMIA 
HYPOXEMIA 
HYPERKALEMIA 
HYPOKALEMIA 
H+ EXCESS
HYPOTHERMIA 

TENSION PNEUMOTHORAX 
TAMPONADE - CARDIAC
Cardiac Arrest - ... HYPOKALEMIA ... TOXINS #ACLS ... #Differential # ... Diagnosis #Resus #HsTs
H’s and T’s Mnemonic - Causes of Cardiac Arrest
H's - Hypovolemia, Hypoxia, Hydrogen Ions (acidosis), Hyperkalemia
Causes of Cardiac Arrest ... Hydrogen Ions (acidosis ... Mnemonic #Cardiac #Arrest ... #Causes #differential ... #diagnosis #acls
Underlying causes of PEA arrest: H’s and T’s 

Hypovolemia, Hypoxia, Hydrogen Ion (acidosis), Hypo/Hyper-kalemia, Hypothermia
Toxins, Tamponade,
causes of PEA arrest ... ’s and T’s Hypovolemia ... Hydrogen Ion (acidosis ... massive PE) #PEA #arrest ... #HsTs #Differential
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Causes of Hypokalemia ... - Differential ... #Differential # ... Algorithm #Causes #workup ... #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... #Differential # ... Diagnosis #Causes #Workup ... #Nephrology
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Hypokalemia ... Hyperkalemia ... ACE-Is and ARBs ... #differential # ... diagnosis #causes #nephrology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Redistribution: Acidosis ... reabsorption) Workup ... hyperchloremic acidosis ... Ca-gluconate or 1g CaCl ... Treatment #potassium #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... • NSAIDs • ACE ... - Metabolic acidosis ... #differential # ... potassium #high #nephrology
Lactic Acidosis - Differential Diagnosis Framework

Type A: Impaired O2 Delivery (DO2)
 • Decreased O2 Delivery: Hypotension
- Differential Diagnosis ... Hypotension & Hypovolemia ... Anemia, Cardiac Arrest ... Beta-Agonists, ↑ work ... #Differential #