23 results
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
or R/S>I STEMI Equivalents ... / Don't Miss Signs ... bigger than QRS - deWinter ... cardiology #STEMI #Equivalents ... Interpretation #differential
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI Equivalents ... V2 • Wellens sign ... pain • Wellens sign ... deviation) • Acute ischemia ... #differential #
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Vertigo - Differential ... vomiting, auditory symptoms ... symptoms/signs, ... • Transient Ischemic ... #Differential #
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
is unconscious, signs ... depression • T wave ... is conscious, symptoms ... CM5 continuous ECG ... as soon as possible
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... as Typical AVNRT ... excludes other differentials ... ’s called Frog sign ... Cardiology #Neck #Frog #Sign
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Elevation - Differential ... STE: "Pardee's sign ... (Eiffel Tower sign ... "pinched off" as
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
for secondary causes ... neoplasms) • Screen also ... organ-specific signs ... or symptoms (eg ... Disorders #Algorithm #Differential
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
high WBC count cause ... Dehydration • Symptoms ... AKI, acute limb ischemia ... WBC >100k, + lab signs ... unless worrisome EKG
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... life-threatening causes ... chest pain, such as ... #Pericarditis #Symptoms ... #Signs #Presentation
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
• Myocardial ischemia ... • Underlying ischemic ... Digoxin toxicity Symptoms ... may not occur Differential ... A PAC also has a