46 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 ... Coronary) #HsTs #acls ... #differential # ... diagnosis #arrest
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
Cardiac Arrest - H's and T's

HYPOVOLEMIA 
HYPOXEMIA 
HYPERKALEMIA 
HYPOKALEMIA 
H+ EXCESS
HYPOTHERMIA 

TENSION PNEUMOTHORAX 
TAMPONADE - CARDIAC
Cardiac Arrest - ... H's and T's HYPOVOLEMIA ... HYPOKALEMIA ... TOXINS #ACLS ... #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
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 HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... - Differential ... • Metabolic acidosis ... blockers - MCW Nephrology ... #Differential #
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... • Metabolic acidosis ... • Metabolic acidosis ... #Differential # ... potassium #low #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
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Hypertensive: • High Al ... Gitelman's syndrome #Hypokalemia ... #Differential # ... Diagnosis #Algorithm #nephrology