2284 results
Cardiac Arrest - H's and T's

HYPOVOLEMIA 
HYPOXEMIA 
HYPERKALEMIA 
HYPOKALEMIA 
H+ EXCESS
HYPOTHERMIA 

TENSION PNEUMOTHORAX 
TAMPONADE - CARDIAC
THROMBOSIS - PE ... TOXINS #ACLS #Differential
Underlying causes of PEA arrest: H’s and T’s 

Hypovolemia, Hypoxia, Hydrogen Ion (acidosis), Hypo/Hyper-kalemia, Hypothermia
Toxins, Tamponade,
lungs: massive PE ... #arrest #HsTs #Differential
Sinus Tachycardia - Differential Diagnosis Framework
Autonomic System:
 • Excess Stimulation: Nicotine, Caffeine, Sympathomimetics, Anticholinergics
 • Withdrawal:
Tachycardia - Differential ... Obstruction: Tamponade, PE ... #Tachycardia #Differential
A quick way to consider causes of PEA arrest (or severe hypotension) is to consider: Volume
pneumothorax, massive PE ... Diagnosis #PEAArrest #Differential
Chest Pain - Differential Diagnosis Framework

Cardiovascular Causes of Chest Pain:
 • Myocardium:
	- Myocarditis
	- CAD/ACS
	- Valvulopathy
	- Myopericarditis
Chest Pain - Differential ... • Vasculature: PE ... Pain #ChestPain #Differential
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... • Vascular (PE ... Hypoxemia #Hypoxia #Differential
Shock Types and Classification
DISTRIBUTIVE 66%
 • Sepsis/SIRS, anaphylaxis, adrenal insufficiency, liver failure, toxins, spinal/neurogenic
 • Warm
OBSTRUCTIVE 2% • PE ... Classification #diagnosis #differential
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
Dyspnea - Differential ... Vasculature: - PE ... #dyspnea #sob #differential
Causes of Post-Partum Fever - Differential Diagnosis Algorithm
6 W's for causes of PPF
 - Wind: pneumonia,
Post-Partum Fever - Differential ... Atelectasis • PE ... PostPartum #Fever #PPF #Differential
Syncope - Differential Diagnosis Framework
Reflex Syncope:
• Vasovagal: Prolonged standing, Stress, Pain
• Situational: Coughing, Sneezing, Micturition, Defecation,
Syncope - Differential ... stenosis, HOCM, PE ... SCVMCMed #Syncope #Differential