2747 results
Limb Lead Reversal
In order to understand why the leads look the way they do, we must
As for the aVL/aVF ... remember that aVL ... /aVF/aVR are all ... Einthovens #Triangle #aVL ... #aVR #aVF
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Syndrome (SSS) • AV ... Fibrillation (AF ... node: AV re-entrant ... tachycardia (AVRT), AV ... Differential #Diagnosis #Causes
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Determine whether AF ... is cause/effect ... Tx: Underlying cause ... • HyperK vs AF ... Narrow #Irregular #causes
Upper and Lower Causes of GI Bleed
Upper:
 • Esophagus: Tear (Mallory Weiss, Boerhaave syndrome), Variceal, Esophagitis,
Upper and Lower Causes ... Variceal, Cancer, AVM ... PUD, Duodenitis, AVM ... Polyps • Vessels: AVM ... differential #diagnosis #Causes
Normal Sinus Rhythm - ECG Diagnosis
Normal sinus rhythm (NSR) is an impulse that originates in the
leads I, II and aVF ... • inverted in aVR ... leads III and aVL
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
with a peripheral cause ... of AVS and negative ... with a central cause ... of AVS. ... patients with an AVS
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 ... Nodosum #Mnemonic #Causes
Myocardial infarction localization. A 12 lead EKG creates a 360 degree view of the electrical activity
perspective: II, III & aVL ... inferior leads), I & aVL ... as you can see aVR ... contiguous lead (aVR ... contiguous I, aVL
Pulsating Neck AV Fistula on Physical Exam
40 year old female patient, prior history of CKD on
Pulsating Neck AV ... Typically AV fistulas ... of congenital AVFs ... jugular #carotid #AVF
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
disease Renal Causes ... artery embolism • AVM ... hematuria Bladder Causes ... Urethra/Prostate Causes ... urinary tract) Causes