1036 results
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Immunologic: • Osler nodes ... Septic Emboli Cause ... ↑ ESR, CRP • EKG ... Treat underlying cause ... Endocarditis #diagnosis #management
Causes of ST Elevation in ECG

#STElevation #STEMI #ECG #EKG #Electrocardiogram #Causes #Differential #ABCHELP #Mnemonic
Causes of ST Elevation ... in ECG #STElevation ... #STEMI #ECG #EKG ... Electrocardiogram #Causes
Hypercalcemia - EKG Findings
Causes of Hypercalcemia 
• Malignancy 
• Milk-alkali syndrome 
• Vitamin D toxicity 
•
Hypercalcemia - EKG ... Findings Causes ... Hypercalcemia #EKG ... #ECG #Electrocardiogram ... #Differential #Causes
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
within the AV node ... Diagnosis #Cardiology #EKG ... #ECG #Electrocardiogram
ECG Changes in Hyperkalemia and Treatment
Membrane Stabilization
 - Calcium gluconate or chloride 
Redistribution
 - Insulin
ECG Changes in Hyperkalemia ... Hyperkalemia #Treatment #Management ... #Diagnosis #ECG ... #EKG
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... found in 60% of cases ... Drugs (antibiotics e.g ... Nodosum #Mnemonic #Causes
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
is below the AV node ... Diagnosis #Cardiology #EKG ... #ECG #Electrocardiogram
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... specificity for EKG ... EKG is helpful in ... evaluating for other causes ... #EKG #Pulmonary
Stimulated
SA node
AV node -
Un-stimulated
#PQ
(mV) 0
ECG (lead II)
QRS
#QRS
#SA node
#AV node
#Bundle of His
Bundle branches
#Purkinje fibers
#QRS
#ST
Stimulated SA node ... AV node - Un-stimulated ... #PQ (mV) 0 ECG ... QRS #QRS #SA node ... #AV node #Bundle
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
through the AV node ... period of the AV node ... cardiology #diagnosis #ekg ... #ecg #electrocardiogram