Phil. Journal of Internal Medicine (Vol.61 No.4) CONTENTS ORIGINAL ARTICLE Health Seeking Behavior of Patients with Ischemic Heart Disease during the COVID-19 Pandemic in the Outpatient Clinics of a Tertiary Hospital Marrjhourie Rose B. Bringas, MD, Karla Rhea Rillera-Posadas, MD, and Sofia Rellema-Black, MD Outcomes and Management of ST-Elevation Myocardial Infarction Patients Before and During the COVID-19 Pandemic: A Retrospective Cohort Study Miguel Angelo D. Ang Co, MD and Rhandy P. Panganiban, MD Development of a Risk Prediction Score for Acute Kidney Injury in Critically-ill Septic Filipino Patients Admitted in Perpetual Succour Hospital Jane Lou E. Gargaritano, MD, Joel John C. Mejos, MD, Jewelyn M. Torrevillas, MD, Giovanni A. Vista, MD, Grecia Darunday, MD, and Eratosthenes S. Polito, MD Relationship of Serum Levels of Bone Specific Alkali Phosphatase (bALP) and Alkali Phosphatase (ALP) with Vascular Calcification in Chronic Kidney Disease Patient on Chronic Hemodialysis Bayu Rusfandi Nasution, MD, Harun Rasyid Lubis, MD Clinical Profiles and In-hospital Short-term Outcomes of Suspect, Probable, and Confirmed Adult COVID-19 Patients at the Philippine Heart Center: A Descriptive Study Ana Katrina C. Longos, MD, Maria Teresa B. Abola MD, Irene S. Bandong MD, Ma. Encarnita C. Blanco-Limpin MD, Alexander A. Tuazon MD, and Lorraine Grace Almelor-Sembrana MD Maternal and Neonatal Outcomes Among Women with Gestational Diabetes Mellitus Treated with Metformin in a Tertiary Hospital: A Retrospective Cohort Study Francis Xavier Fernandez Mislang, MD, Rebecca Lim Alba, MD The Dawn of Handheld Echocardiogram in the Philippines: A Narrative Review Rainier John Buensalida, MD, Jude Erric Cinco, MD, Matilde Melanie Cheng-Co, MD, Lea Farrah Abella, MD Co-occurrence of Cerebral Stroke and ST Elevation Myocardial Infarction associated with Protein S Deficiency: A Case Report Kristina Marie Michelle O. Rivera, MD, Aaron Christopher P. Novales, MD, Bryan Rene F. Toledano, MD, Kristy B. Garganera, MD, Frederick S. Gabriel, MD, and Gina V. Alemany, MD Diagnostic Dilemma: Postpartum Pneumonia Secondary to Community-Acquired Pneumonia versus an RT-PCR Negative COVID-19 Infection Antonella Faye G. Go, MD, Bayani Pocholo T. Maglinte, MD, and Jeremyjones F.Robles, MD