33 results
“H’s & T’s“ - The reversible causes of Cardiac Arrest 
Hypovolemia, Hypoxia/Hypoxemia, Hydrogen Ion Excess (Acidosis),
The reversible causes ... of Cardiac Arrest ... Pneumothorax, Thrombosis (Pulmonary ... #HsTs #acls #differential ... #diagnosis #arrest
H’s and T’s Mnemonic - Causes of Cardiac Arrest
H's - Hypovolemia, Hypoxia, Hydrogen Ions (acidosis), Hyperkalemia
T’s Mnemonic - Causes ... of Cardiac Arrest ... Thromboembolism (Pulmonary ... Mnemonic #Cardiac #Arrest ... #Causes #differential
Underlying causes of PEA arrest: H’s and T’s 

Hypovolemia, Hypoxia, Hydrogen Ion (acidosis), Hypo/Hyper-kalemia, Hypothermia
Toxins, Tamponade,
Underlying causes ... of PEA arrest: ... ’s and T’s Hypovolemia ... #HsTs #Differential ... #Diagnosis #Table
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Chest Pain - Differential ... Infarction • Stable ... • Trauma - Neurologic ... ChestPain #Noncardiac #Cardiology ... #Differential #
Clues to Differential Diagnosis of Central Cyanosis: Onset of cyanosis, Clubbing, Secondary erythrocytosis, Auscultation, X-ray, Echocardiography,
Clues to Differential ... heart defect - Pulmonary ... diseases - Pulmonary ... Diagnosis #Central #Cardiology ... #Causes #Table
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... Pain/Post-op • Neurologic ... • Drugs • Pulmonary ... Malignancy True hypovolemia
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... Pain/Post-op • Neurologic ... • Drugs • Pulmonary ... Malignancy True hypovolemia
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - Causes ... Hyperreflexia: • Hypocalcemia ... #differential # ... diagnosis #table ... #neurology
Causes of Wide Pulse Pressure - Differential Diagnosis
Physiologic:
 • Advanced age-arteriosclerosis (less compliant arteries)
 • Well
Causes of Wide Pulse ... Pressure - Differential ... intravascular hypovolemia ... - Chronic pulmonary ... #cardiology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup and Differential ... heart failure, neurologic ... disorders including hypokalemia ... Neurologic disorders ... #Differential #