38 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... aVR • Classic EKG ... QTc interval, RAD ... #AVR #leadAVR #ecg ... #ekg #differential
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
polyneuropathy (e.g ... Guillain-Barré syndrome ... Hyperthyroidism, Serotonin syndrome ... #differential #diagnosis ... #table #neurology
Acute Coronary Syndrome (ACS) Definitions - Stable Angina, Unstable Angina, NSTEMI, STEMI
1 STABLE ANGINA - Angina
Acute Coronary Syndrome ... thrombus formation causes ... is reflected by ECG ... #Diagnosis #Cardiology ... Text: The Only EKG
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
cardiac syncope, e.g ... such as reflex ... carotid sinus syndrome ... orthostatic vital sign ... and an initial ECG
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Cirrhosis Syndrome ... - Malignancy (e.g ... CNS pathology (e.g ... Pulmonary pathology (e.g ... #Table #Causes
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
high WBC count cause ... have fever - ACS ... WBC >100k, + lab signs ... unless worrisome EKG ... #TLS #diagnosis
Wolff–Parkinson–White syndrome (WPW) is one of several disorders of the electrical system of the heart that
Wolff–Parkinson–White syndrome ... WPW is caused by ... Pathophysiology #Diagnosis ... Cardiology #MedStudent #EKG ... DeltaWave #ShortPR #Criteria
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
IV Mg infusion (e.g ... - Tumor lysis syndrome ... #Differential #Diagnosis ... High #Magnesium #Table ... #Causes #Management
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Causes progressive ... : months - Criteria ... : El Escorial criteria ... uses a combination ... EMG: LMN Signs in
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
Surgical devices, e.g ... Sepsis (→ 3-14) e.g ... (e.g. haloperidol ... hyperthermia crisis (late sign ... Anesthesia #Checklist #Diagnosis