10 results
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... twitter.com/Hussainch/status ... are enough to diagnose ... excludes other differentials ... #Sign
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Equivalents / Don't Miss Signs ... bigger than QRS - deWinter ... T waves - starts ... #EKG #diagnosis ... Interpretation #differential
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
on ECG • Conventional ... J point • De Winter ... indistinguishable from ... #EKG #diagnosis ... #differential #
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Diagnosis Algorithm ... Altered mental status ... ) • Systemic symptoms ... and signs (e.g. ... ) • Temporal arteritis
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
those coming off aorta ... systemic sx + signs ... very remarkable w/differential ... GCA #Temporal #Signs ... #Symptoms #Diagnosis
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Diagnosis Approach ... antihypertensive agents from ... Stage 2 hypertension ... renal bruit or signs ... Coarctation of aorta
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
with the same symptoms ... immunization Temporal arteritis ... headache #redflags #signs ... #symptoms #differential ... #emergency #diagnosis
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Enteroviruses (e.g ... parenchymatous (tabes ... Acute meningeal signs ... Altered mental status ... bacterial from
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Diagnosis Framework ... shift of fluid from ... of the spiral arteries ... • Signs/Symptoms ... • Signs/Symptoms
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
conidia → Yeast → travel ... iron overload states ... Hematopoietic stem ... of the organism from ... Meningitis, septic arthritis